generate response: Yes, for six people, please. And I'd like the reference number.. Intent: book_train. Slots: train-arriveby=20:00, train-bookpeople=6, train-day=wednesday, train-departure=cambridge, train-destination=broxbourne
Response: Booking was successful, the total fee is 107.4 GBP payable at the station . Reference number is : 8YRZZYEZ .