generate response: That's much better, thank you. I'll need tickets for 7.. Intent: book_train. Slots: train-arriveby=13:15, train-bookpeople=7, train-day=sunday, train-departure=kings lynn, train-destination=cambridge
Response: Great. I have booked 7 tickets for you. The total free is 54.88 GBP and payable at the station. The reference number is 68C4UWDM .