generate response: Yes, that would be great. I'll need tickets for 8 people. Do you have a reference number?. Intent: book_train. Slots: train-arriveby=13:00, train-bookpeople=8, train-day=sunday, train-departure=cambridge, train-destination=ely
Response: Booking was successful, the total fee is 28.16 GBP payable at the station . Reference number is : HDX8IX63 .