If you are looking for the demo file to upload in your site then here is the CSV files. Please find the demo file below:
Note: Demo can be imported and exported through the WP Travel Import/Export plugin.
Trips demo file:
itineraries2020-02-03-10-16-41
Booking demo file:
itinerary-booking2020-02-03-10-18-49
Tour Extras demo file: