generate response: That is fine. Please book it for 7 people and provide the reference number.. Intent: book_train. Slots: train-arriveby=15:00, train-bookpeople=7, train-day=thursday, train-departure=cambridge, train-destination=bishops stortford
Response: Booking was successful, the total fee is 70.7 GBP payable at the station . Reference number is : PQQVSRVH . anything else?