This hook allows you to add your custom content just below the trips title and above the trips excerpt in trip archive page.

Source

File : /templates/content-archive-itineraries.php

Example :

function prefix_wp_travel_after_archive_title() {
    esc_html_e( 'This is the content added using this hook', 'text-domain' );
}
add_action( 'wp_travel_after_archive_title', 'prefix_wp_travel_after_archive_title' );