A custom module to use as a base for a request form. It also contains pathauto implementation so that

request_forms.info

name = Request Forms
core = 7.x
description = Creates the request forms of the website
dependencies[] = pathauto

request_forms.module

<?php

/**
 * @file
 * The request_form.module file
 */

// @todo Change [NID] to the correct nid of the webform node.
define('REQUEST_FORMS_WEBFORM_NID', '[NID]');

/**
 * Delivers an empty page.
 *
 * Use the following function for menu items that don't have their own page
 * content but rather load another page (eg. a webform) in their own url.
 *
 * Using the default drupal_deliver_html_page() for this kind of action, the
 * drupal_page_footer() function gets called twice resulting in the "Headers
 * already sent" error.
 *
 * @see drupal_deliver_html_page()
 */
function request_forms_deliver_empty_page($page_callback_result) {
  // Nothing here.
}

/**
 * Implements hook_menu().
 */
function request_forms_menu() {
  $items['request-forms/form/%node'] = array(
    'delivery callback' => 'request_forms_deliver_empty_page',
    'title' => 'Request Form',
    'page callback' => 'request_forms_form_page_callback',
    'page arguments' => array(2),
    'access arguments' => array('access content'),
    'file' => 'request_forms.pages.inc',
  );
  return $items;
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * @todo Change NID to the correct nid of the webform node.
 */
function request_forms_form_webform_client_form_NID_alter(&$form, &$form_state) {
  $item = menu_get_item();
  if (isset($item['map'][2]->nid)) {
    $node = $item['map'][2];
    // Add a custom_return_url property to be used later for redirecting back.
    $destination = drupal_get_destination();
    if (empty($form['#custom_return_url'])) {
      $form['#custom_return_url'] = $destination['destination'];
    }
    $form['#submit'][] = 'request_forms_form_webform_client_form_submit';

    // Autofill the values for the node we came from.
    $form['submitted']['nid']['#value'] = $node->nid;
    $form['submitted']['node']['#value'] = $title;
    
    // Hide them afterwards.
    $form['submitted']['nid']['#access'] = FALSE;
    $form['submitted']['node']['#access'] = FALSE;
    $form['submitted']['reference_number']['#value'] = check_plain($node->field_reference_number[LANGUAGE_NONE][0]['value']);
    
    // Add a suffix to the submit button to go back to the node.
    $form['actions']['submit']['#suffix'] = l(t('Go Back to @title', array('@title' => $node->title)), 'node/' . $node->nid, array('attributes' => array('class' => array('go-back-property'))));
    
    // Get current page title and append the name of the villa.
    drupal_set_title(format_string('@current - @title', array(
      '@current' => drupal_get_title(),
      '@title' => $node->title,
    );
  }
  else {
    /*
     * This "locks" the webform so that anyone targeting the webform directly gets
     * redirected to the frontpage. Please make sure you really want this as this
     * will create redirection for every page this webform gets displayed in.
    drupal_goto('<front>');
  }
}

/**
 * Implements hook_pathauto().
 */
function request_forms_pathauto($op) {
  switch ($op) {
    case 'settings':
      $settings = array(
        'module' => 'request_forms',
        'token_type' => 'node',
        'groupheader' => t('Request Forms'),
        'patterndescr' => t('Path for each Request Form'),
        'patternitems' => array(
          'request_form' => 'Path for each Request Form',
          // ...
        ),
        'patterndefault' => 'form/request/[node:title]',
        'batch_update_callback' => 'request_forms_pathauto_bulkupdate',
      );
      return (object) $settings;
      break;
  }
}
    
/**
 * Implements hook_pathauto_bulkupdate.
 *
 * @todo Change the TYPE1 and TYPE2 to the content types you want.
 */
function request_forms_pathauto_bulkupdate() {
  // Find all nids for the content types we want.
  $query = db_select('node', 'n')
    ->condition('n.type', array(TYPE1, TYPE2))
    ->fields('n', array('nid'));

  $results = $query->execute()->fetchCol();
  $count = 0;

  foreach($results as $nid) {
    $node = node_load($nid);
    request_forms_generate_aliases($node, $node->type);
    $count++;
  }

  drupal_set_message($count . " nodes were updated.");
}

/**
 * Callback responsible for generation of a url alias for our paths.
 */
function request_forms_generate_aliases($node, $type) {
  module_load_include('inc', 'pathauto');
  switch ($type) {
    case TYPE1:
    case TYPE2:
      pathauto_create_alias('request_forms', 'update', "request-forms/form/{$node->nid}", array('node' => $node));
      break;
  }
}

/**
 * Implements hook_node_insert().
 */
function request_forms_node_insert($node) {
  request_forms_node_save($node);
}


/**
 * Implements hook_node_update().
 */
function request_forms_node_update($node) {
  request_forms_node_save($node);
}

/**
 * Callback to call after node insert/update.
 */
function request_forms_node_save($node) {
  if(isset($node->nid)) {
    if (in_array($node->type, array(TYPE1, TYPE2)) {
      request_forms_generate_aliases($node, $node->type);
    }
  }
}

request_forms.pages.inc

<?php
/**
 * @file
 * Contains the page callbacks for the module.
 */

/**
 * Page callback for request-forms/form/%.
 * 
 * @param object $node
 *   The node object.
 */
function request_forms_form_page_callback($node) {
  // Act like the webform page and deliver its contents.
  menu_execute_active_handler('node/' . REQUEST_FORMS_WEBFORM_NID);
}