generate response: Yes, I would like to book the train for 6 people. I need the reference number, please.. Intent: book_train. Slots: train-bookpeople=6, train-day=thursday, train-departure=cambridge, train-destination=birmingham new street, train-leaveat=10:00
Response: Booking was successful, the total fee is 450.6 GBP payable at the station. Reference number is : 9YW0JV6V .