generate response: Yes, that will be fine. I would like to book the train for 2 people please.. Intent: book_train. Slots: train-bookpeople=2, train-day=saturday, train-departure=stansted airport, train-destination=cambridge, train-leaveat=13:45
Response: Okay, I've booked 2 tickets for you, and your reference number is EO86W7MK .