generate response: Yes can you book that for 6 people and give me the reference number?. Intent: book_train. Slots: train-bookpeople=6, train-day=sunday, train-departure=cambridge, train-destination=broxbourne, train-leaveat=21:15
Response: Booking was successful, the total fee is 85.92 GBP payable at the station. Reference number is : S9DHM1KG . Can I help with anything else today?