generate response: Great, thanks! Will you please book 7 tickets, and send me the reference number?. Intent: book_train. Slots: train-arriveby=20:45, train-bookpeople=7, train-day=sunday, train-departure=london kings cross, train-destination=cambridge
Response: You're all set. Your total is 132.16 GBP. You can pay that at the station. Your Reference number is : GNNG4MNQ . Can I assist you with anything else?