generate response: Sure, you really should be more pleasant. I need to get to London Liverpool Street on Wednesday by 20:45 please.. Intent: find_train. Slots: train-arriveby=20:45, train-day=wednesday, train-departure=cambridge, train-destination=london liverpool street
Response: The TR1047 leaves Cambridge for London Liverpool Street Wednesday arriving at 07:27. The price is 16.60 lbs. Can I book it for you?