generate response: Could you tell me if theres a train going to cambridge that leaves after 21:00?. Intent: find_train. Slots: hotel-area=centre, hotel-bookday=wednesday, hotel-bookpeople=8, hotel-bookstay=5, hotel-name=alexander bed and breakfast, hotel-pricerange=cheap, hotel-type=guesthouse, train-destination=cambridge, train-leaveat=21:00
Response: There are many trains available. Where will you be departing from and what day do you prefer?