generate response: I need one ticket and can I please have the reference number?. Intent: book_train. Slots: train-bookpeople=1, train-day=thursday, train-departure=london kings cross, train-destination=cambridge, train-leaveat=16:30
Response: Booking was successful, the total fee is 23.6 GBP payable at the station. Reference number is : R57G4DU4 . Can I provide any further help today?