generate response: I don't need to book any tickets. I'll need the departure time, travel time and train id if you could specify them instead of just sending numbers.. Intent: find_train. Slots: train-arriveby=16:45, train-day=monday, train-departure=cambridge, train-destination=london kings cross
Response: The TR7075 train leaves at 05:00 and takes 51 minutes to travel. Does that help?