generate response: No, I don't really care when we arrive as long4 as the departure is after 15:45. Intent: find_train. Slots: train-arriveby=dontcare, train-day=wednesday, train-departure=cambridge, train-destination=peterborough, train-leaveat=15:45
Response: The TR7706 leaves at 16:05 and arrives in Peterborough by 16:56. Would you like me to book some tickets for you?