generate response: Yes, I need a booking for 2 people please.. Intent: book_train. Slots: train-bookpeople=2, train-day=wednesday, train-departure=cambridge, train-destination=stevenage, train-leaveat=20:45
Response: Booking was successful, the total fee is 25.6 GBP payable at the station . Reference number is : W20YWCTG .