Need a to this user data in its own hash in params

gistfile1.txt

<%#= NEED TO Namespace potential user params %>
<%= form_tag send_invite_path, :method => "post" do  %>
  <%= label_tag :email, "Email" %>
  <%= text_field_tag :email %>

  <%= label_tag :first_name, "First Name" %>
  <%= text_field_tag :first_name %>

  <%= label_tag :last_name, "Last Name" %>
  <%= text_field_tag :last_name %>

  <%= label_tag :company, "Company" %>
  <%= text_field_tag :company %>

  <%= label_tag :role, "Role(optional)" %>
  <%= text_field_tag :role %>

  <%= label_tag :message, "Message to Admin" %>
  <%= text_area_tag :message %>

  <%= submit_tag "Submit" %>
<% end %>