generate response: I am also looking for a train departing from cambridge on tuesday, and arriving at ely by 17:15.. Intent: find_train. Slots: train-arriveby=17:15, train-day=tuesday, train-departure=cambridge, train-destination=ely
Response: The train arriving closest to 17:15 is TR4447 which arrives at 16:07. Would you like for me to book that for you?