WP Travel Pro plugin provides the feature regarding adding a trip to a Wishlist so that you don’t have to search for your favourite trip again in the future.
You can add a trip to the wishlist through a single trip page or archive itinerary page so that you will be able to view the list of trips in the wishlists tab of the user dashboard page.
For detail assistance regarding Wishlists feature, please refer documentation link.
Also, you can change wishlist icon, text and icon color by going to Admin Panel > WP Travel > Settings > Misc. Options > Wishlists Options
Further, if you want to disable wishlists feature, you can disable it by going to Admin Panel > WP Travel > Settings > Addons Settings
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