generate response: I am heading to London Kings Cross and would need the train for Wednesday please. Oh and I need to leave after 18:00 sometime.. Intent: find_train. Slots: train-day=wednesday, train-departure=cambridge, train-destination=london kings cross, train-leaveat=18:00
Response: Okay, the TR8676 train leaves at 19:00 and arrives at 19:51. Would you like to purchase tickets?