generate response: Yes I would like to arrive at 7:51 please for 8 people, I need the reference number. Intent: book_train. Slots: train-arriveby=08:15, train-bookpeople=8, train-day=monday, train-departure=cambridge, train-destination=london kings cross
Response: Booking was successful, the total fee is 188.8 GBP payable at the station. Reference number is: 31K4BK2E . Is there anything else you need?