generate response: Yes, a train to Cambridge from london kings cross on Thursday by 18:30. If you can get a table for 1 at Graffiti that day at 20:00 or 21:00 too, great.. Intent: book_train. Slots: restaurant-bookday=friday, restaurant-bookpeople=1, restaurant-booktime=21:00, restaurant-name=graffiti, train-arriveby=18:30, train-day=thursday, train-departure=london kings cross, train-leaveat=05:17
Response: Booking was successful, the total fee is 47.2 GBP payable at the station . Reference number is : R8P7XT7B .