generate response: Yes, I'd like two tickets.. Intent: book_train. Slots: train-arriveby=19:00, train-bookpeople=2, train-day=friday, train-departure=ely, train-destination=cambridge
Response: Okay. The booking was successful! The total fee is 8.8 GBP which is payable at the station. Your reference number is HH0K9RFR .