generate response: I need a train that departs from kings lynn going to cambridge by 08:45.. Intent: find_train. Slots: train-arriveby=08:45, 8:45, train-day=wednesday, train-departure=kings lynn, train-destination=cambridge
Response: The TR5831 arrives at 7:58, and it leaves at 7:11. This is the closest train to your requested arrival time. It costs 9.80 pounds per ticket. Want to book it?