The internationalisation object.
The project's database.
The date the trip was registered in.
The token of the associated one-way trip.
The token of the asssociated return trip.
An object containg the content and the status code to be used by the Response this will be tied to.
Returns the contents of a "Not Found" page in case any of the trips associated with the roundtirp can't be found.
In case one of the trips was confirmed, the trip table correspondent to the confirmed trip is injected into the content.
Builds the content of the success page for a roundtrip.