generate response: Yes, I need a train going to cambridge leaving after 21:15 on tuesday departing from broxbourne.. Intent: find_train. Slots: hotel-area=dontcare, hotel-bookday=tuesday, hotel-bookpeople=1, hotel-bookstay=5, hotel-internet=yes, hotel-name=alexander bed and breakfast, hotel-pricerange=cheap, train-day=tuesday, train-departure=broxbourne, train-destination=cambridge, train-leaveat=21:15
Response: I have the TR9688, which leaves at 12:32. Would you like to book this train?