This function can be used to get the booking details in a date range from Woocommerce Bookings plugin

bookings_in_date_range_woocommerce_bookings.php

get_bookings_in_date_range_wh( $next_monday, $next_friday, $product_id,  true );

function get_bookings_in_date_range_wh( $start_date, $end_date, $product_or_resource_id = 0, $check_in_cart = true ) {
	$args = array(
		'status'       => get_wc_booking_statuses(),
		'object_type'  => 'product_or_resource',
		'date_between' => array(
			'start' => $start_date,
			'end'   => $end_date,
		),
	);

	if ( ! $check_in_cart ) {
		$args['status'] = array_diff( $args['status'], array( 'in-cart' ) );
	}

	if ( $product_or_resource_id ) {
		if ( get_post_type( $product_or_resource_id ) === 'bookable_resource' ) {
			$args['resource_id'] = absint( $product_or_resource_id );
		} else {
			$args['product_id']  = absint( $product_or_resource_id );
		}
	}

	$dts = apply_filters( 'woocommerce_bookings_in_date_range_query', WC_Booking_Data_Store::get_booking_ids_by( $args ) );
	$data = array();
	$header = array();
	$header[] = array("Booking_ID", "Order_ID", "Persons", "Creation_Date", "Booking_Date", "First_Name", "Last_Name", "Email", "Phone", "Allergies", "Cost", "Status");
	foreach ($dts as $dt) {
		$booking = new WC_Booking( $dt );
		$order = new WC_Order( $booking->order_id );
		$row = array(
			"".$booking->id, 
			"".$booking->order_id, 
			"".$booking->person_counts[158], 
			"".date('m/d/Y', $booking->date_created), 
			"".date('m/d/Y', $booking->start), 
			"".$order->get_billing_first_name(), 
			"".$order->get_billing_last_name(), 
			"".$order->get_billing_email(), 
			"".$order->get_billing_phone(), 
			"".get_post_meta($booking->order_id, "allergies", true), 
			"".$booking->cost,
			"".$booking->status
		);
		$data[] = $row;
		
	}
  //Sort by booking start date
	array_multisort(array_column($data, 4), SORT_ASC, $data);

  //merge with header, which can be used later for csv export
	$data = array_merge($header, $data);
	return $data;

}