dealer ajax search

function dealer_search_fn(){
    check_ajax_referer( 'dealer_search', 'nonce' );

    $ajaxCounty = $_POST['varCounty'];
    $ajaxTown = $_POST['varTown'];

    $dealerResults = new WP_Query(array(
        'post_type' => 'carpet',
        'meta_query'    => array(
            array(
                'key' => 'dealer_county',
                'value' => $ajaxCounty,
                'compare' => '='
            ),
            array(
                'key' => 'dealer_town',
                'value' => $ajaxTown,
                'compare' => '='
            )
        )
    ));

    if ($dealerResults->have_posts()) :
        echo '<div class="dealer-wrapper">';
            while ($dealerResults->have_posts()) : $dealerResults->the_post();
                echo '<h1>'.the_title().'</h1>';
                echo '<ul>';
                        $address1 = get_post_meta($post->ID, 'dealer_address_1', true);
                        if($address1) {
                          echo '<li>' . $address1 . '</li>';
                        }

                        $address2 = get_post_meta($post->ID, 'dealer_address_2', true);
                        if($address2) {
                          echo '<li>' . $address2 . '</li>';
                        }

                        $address3 = get_post_meta($post->ID, 'dealer_address_3', true);
                        if($address3) {
                          echo '<li>' . $address3 . '</li>';
                        }

                        $address4 = get_post_meta($post->ID, 'dealer_address_4', true);
                        if($address4) {
                          echo '<li>' . $address4 . '</li>';
                        }

                        $town = get_post_meta($post->ID, 'dealer_town', true);
                        if($town) {
                          echo '<li>' . $town . '</li>';
                        }

                        $county = get_post_meta($post->ID, 'dealer_county', true);
                        if($county) {
                          echo '<li>' . $county . '</li>';
                        }

                        $postcode = get_post_meta($post->ID, 'dealer_postcode', true);
                        if($postcode) {
                          echo '<li>' . $postcode . '</li>';
                        }
                echo '</ul>';
            endwhile;
        echo '</div>';
      unset($dealerResults);
    endif;
    die;
}
add_action('wp_ajax_dealer_search', 'dealer_search_fn');
add_action('wp_ajax_nopriv_dealer_search', 'dealer_search_fn');