generate response: Could you please check again? I was pretty certain there was a train from stansted airport that would get me to caimbridge by 15:30 on wednesday.. Intent: find_train. Slots: train-arriveby=15:30, train-day=wednesday, train-departure=stansted airport, train-destination=cambridge
Response: There is a train on Tuesday, TR0135 leaves Stansted airport at 14:24 and arrives in Cambridge at 14:52, would you like to book it?