generate response: Yes. I need 3 tickets and the reference number.. Intent: book_train. Slots: train-bookpeople=3, train-day=sunday, train-departure=london kings cross, train-destination=cambridge, train-leaveat=09:30, 0930
Response: Booked! Reference number is YV5PJQHU . You will pay 56.64 GBP at the station. Anything else you need?