generate response: Whichever you that leaves the latest but still gets me in by 21:45. Intent: find_train. Slots: train-arriveby=21:45, train-day=monday, train-departure=kings lynn, train-destination=cambridge, train-leaveat=dontcare
Response: TrianID TR1465 is leaving at 20:11 and will have you in cambridge by 20:58. Would you like me to book that for you?