generate response: Yes, 19:54 will be fine. I'd like tickets for 5 people.. Intent: book_train. Slots: train-bookpeople=5, train-day=monday, train-departure=stevenage, train-destination=cambridge, train-leaveat=19:45
Response: Congratulations! Your booking was successful with a reference number of DMEL46A6 and a fee of 64 GBP. Can I help you with anything else?