generate response: No, I don't need a reservation there. I do need a train from cambridge on thursday. I'll be going to Norwich, and I need to get there by 17:30.. Intent: find_train. Slots: train-arriveby=17:30, train-day=thursday, train-departure=cambridge, train-destination=norwich
Response: TR8604 will be arriving at norwich by 16:55 on Thursday. That is the closest to your requested time, would you like to book?