generate response: Yes - could you make a reservation for 3 people and provide me the reference number?. Intent: book_train. Slots: train-arriveby=15:00, train-bookpeople=3, train-day=wednesday, train-departure=cambridge, train-destination=broxbourne
Response: Three people are booked. The reference number is 9W4723ZW . The total fee is 53.7 GBP payable at the station. Do you need anything else?