WP Travel plugin provides the feature regarding displaying trips based on activities in page/post using shortcode. You can display trips which are assigned to specific activity in the page/post where you are willing to display the trips as per your requirement using shortcode.
You have to add below given shortcode to display the trips associated with activities either in page or post.
[wp_travel_itineraries type="activity" slug="activity"]
You can also add id instead of slug as below.
[wp_travel_itineraries type="activity" id="5"]
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