generate response: Great! Can you book 2 tickets on that train, please?. Intent: book_train. Slots: train-bookpeople=2, train-day=saturday, train-departure=cambridge, train-destination=broxbourne, train-leaveat=15:00
Response: Okay. Your booking was successful! Your reference number is CRJ5BQKH . Your total fee is 28.64 GBP which you can pay at the station.