generate response: Could you book a trip for five people, and give me the reference number?. Intent: book_train. Slots: train-bookpeople=5, train-day=monday, train-departure=cambridge, train-destination=leicester, train-leaveat=20:00
Response: I have those seats booked for you. Your reference number is Q0B623JD . You will pay 189 gbp at the station.