generate response: I'd like to arrive by 18:00. Any that do that will be fine. I'll need a train ID, departure time, and travel time, please?. Intent: find_train. Slots: train-arriveby=18:00, train-day=friday, train-departure=cambridge, train-destination=ely
Response: The TR5844 departs at 15:50 and has a travel time of 17 minutes. Would you like me to book it for you?