generate response: Yes, I'll be coming in from London Liverpool Street on Friday.. Intent: find_train. Slots: train-arriveby=19:45, train-day=friday, train-departure=london liverpool street, train-destination=cambridge
Response: Train TR9802 leaves at 15:39 and will get you to your destination at 17:07. The cost of the ticket is 16.60 pounds. Would you like me to book it for you?