generate response: That would work. Can you book that please?. Intent: book_train. Slots: train-arriveby=dontcare, train-bookpeople=2, train-day=wednesday, train-departure=kings lynn, train-destination=cambridge, train-leaveat=17:30
Response: You train has been booked. Total fee is 19.6 GBP which is payable at the station. Your reference number is 5PVB9XYJ .