generate response: Yes, I need 4 tickets and the reference number.. Intent: book_train. Slots: train-bookpeople=4, train-day=tuesday, train-departure=stansted airport, train-destination=cambridge, train-leaveat=09:00
Response: Your booking was successful. You can pay the fee of 40.4 GBP at the station. Your reference number is TCYIATTU . Anything else I can assist you with today?