generate response: I'm sorry, actually I need to find a train departing from Cambridge going to Ely on Wednesday. I need to arrive by 21:30.. Intent: find_restaurant. Slots: train-arriveby=21:30, train-day=wednesday, train-departure=cambridge, train-destination=ely
Response: Train TR6745 leaves Cambridge on Wednesday at 15:50 and arrives at Ely at 16:07. Would you like to book it?