generate response: That sounds great, I'll need 4 seats please and a reference number.. Intent: book_train. Slots: train-bookpeople=4, train-day=friday, train-departure=cambridge, train-destination=london kings cross, train-leaveat=16:15
Response: I've booked that for you. Your reference number is O4BRX03O and you'll owe 94.4 GBP payable at the station. Anything else I can do?