generate response: I would like to leave from Cambridge on Friday. I need to arrive by 18:00.. Intent: find_train. Slots: train-arriveby=18:00, train-day=friday, train-departure=cambridge, train-destination=stansted airport
Response: There is a direct, 28 minute train from Cambridge to Stansted that leaves at 14:40 and arrives at 15:08. All other trains arrive after 16:00. Would you like me to book this?