generate response: Actually, yes, I do need that reference number on that train. And, maybe you could find a museum instead of a cinema?. Intent: book_train. Slots: attraction-area=east, attraction-type=museum, train-arriveby=21:30, train-bookpeople=7, train-day=saturday, train-departure=london kings cross, train-destination=cambridge
Response: reference number is K13L3ILC .