generate response: Yes, I need 8 tickets. And could you provide the reference number?. Intent: book_train. Slots: train-bookpeople=8, train-day=monday, train-departure=cambridge, train-destination=bishops stortford, train-leaveat=16:45
Response: Booking was successful, the total fee is 80.8 GBP payable at the station. Your reference number is 99VHJ3AR . Do you need anything else?