generate response: That doesn't work. I need a train that arrives closer to 17:15 for 6 people.. Intent: book_train. Slots: train-arriveby=17:15, train-bookpeople=6, train-day=friday, train-destination=broxbourne
Response: How about the 16:01 train? It will arrive at 17:01. If you would like, I can order your tickets.