generate response: What is the departure time for the one arriving at 20:44?. Intent: find_train. Slots: train-arriveby=20:45, train-day=saturday, train-departure=cambridge, train-destination=birmingham new street
Response: That would be train TR5867 departing at 18:01 and arriving at 20:44. Would this work better for you? I can help you book this one if you like.