generate response: I would like it to leave after 18:00. No arrival preference.. Intent: find_train. Slots: train-arriveby=dontcare, train-day=wednesday, train-destination=leicester, train-leaveat=18:00
Response: I have the TR8304 train departing from Cambridge to Leicester on Wednesday at 18:21 it will cost 37.80. Would you like to book a ticket?