generate response: Yes. Can you make a reservation for 1 at 20:00 on Sunday?. Intent: book_train. Slots: restaurant-bookday=sunday, restaurant-bookpeople=1, restaurant-booktime=20:00, restaurant-name=saigon city, train-arriveby=16:30, train-bookpeople=1, train-day=sunday, train-departure=cambridge, train-destination=stevenage
Response: I am sorry but the booking was unsuccessful. Is there another day or time slot that would work for you?