generate response: Yes, can you book it for 3 people and provide me the reference number please.. Intent: book_train. Slots: train-bookpeople=3, train-departure=cambridge, train-destination=broxbourne, train-leaveat=18:30
Response: Ok, you have 3 tickets for a total price of 53.7 GBP which is payable at the station. Your reference number is BIY1ALL0 . Anything else you need help with?