generate response: I'll be departing from birmingham new street and going to cambridge. I'd like to arrive by 18:45.. Intent: find_train. Slots: train-arriveby=18:45, train-day=monday, train-departure=birmingham new street, train-destination=cambridge
Response: There is a train departing at 15:40 and arriving to Cambridge by 18:23. Would you like me to book that for you?