generate response: I'd like to book the 19:17 train for 8 please and need the reference number.. Intent: book_train. Slots: train-bookpeople=8, train-day=tuesday, train-departure=london kings cross, train-destination=cambridge, train-leaveat=18:15
Response: I was successfully able to book the 19:17 train for 8 people. The total fee is 188.8 GBP payable at the station. Your reference number is L0TQ4FD6 .