generate response: The four of us want to take a train on Sunday from Cambridge to bishops stortford. Sometime after 15:00.. Intent: find_train. Slots: hotel-area=north, hotel-bookday=friday, hotel-bookpeople=4, hotel-bookstay=3, hotel-name=archway house, hotel-parking=yes, hotel-pricerange=moderate, hotel-stars=dontcare, hotel-type=guesthouse, train-day=sunday, train-departure=cambridge, train-destination=bishops stortford, train-leaveat=15:15, after 15:00.
Response: I am showing five trains departing at; 15:29, 17:29, 19:29, 21:29, and 23:29. Would you like me to book one of those?