generate response: Thank you, please book me for 7 people, and I will need the reference number.. Intent: book_train. Slots: train-arriveby=19:15, train-bookpeople=7, train-day=monday, train-departure=cambridge, train-destination=peterborough
Response: Okay, great. Your booking was successful! Your reference number is 87VJOBNO . The total fee is 115.5 GBP that you can pay at the station.