generate response: Yes, that would be great. I would like to book a ticket for 4 people.. Intent: book_train. Slots: train-arriveby=12:15, train-bookpeople=3, train-day=tuesday, train-departure=ely, train-destination=cambridge
Response: I booked your train ride. Your reference number is CRLMATVB and it will cost 13.2 GBP when you go to the station.