generate response: Oh. Could you please try again?. Intent: book_train. Slots: train-bookpeople=5, train-day=friday, train-departure=cambridge, train-destination=stansted airport, train-leaveat=14:00, after 13:45.
Response: Booking was successful, the total fee is 50.5 GBP payable at the station . Reference number is : GAF920N6 . Is there anything else I can help you with?