Book now

Html part

<div class="book_btn">
            <?php global $post; ?>
            <a href="<?php echo esc_url( home_url( '/' ) ); ?>booking-form?trip_title=<?php echo urlencode(get_the_title($post->ID)); ?>">Book Now</a> </div>


Inside contact form

<p>Trip Name: [dynamictext my_title  " CF7_GET key='trip_title'"]</p>