generate response: I need to depart from ely and arrive in cambridge by 17:15. Intent: find_train. Slots: train-arriveby=17:15, train-day=tuesday, train-departure=ely, train-destination=cambridge
Response: There are 6 available trains that will arrive in Cambridge by that time. There is 5:52, 7:52, 9:52, 11:52, 13:52 and 15:52. Which would you like?