generate response: I need a train departing from kings lynn. It would be for the same day as my hotel arrival. And I need to arrive before 21:45.. Intent: find_train. Slots: train-arriveby=21:45, train-day=monday, train-departure=kings lynn, train-destination=cambridge
Response: Sure, the train that arrives closest to the time you requested is TR1465 arrives at 20:58. Shall I book it, if so for how many riders?