generate response: I need to leave after 16:15 on thursday.. Intent: find_train. Slots: hotel-area=west, hotel-bookpeople=3, hotel-bookstay=4, hotel-internet=yes, hotel-name=huntingdon marriott hotel, hotel-pricerange=expensive, train-day=thursday, train-departure=kings lynn, train-destination=cambridge, train-leaveat=16:15
Response: Okay! How about the 17:11 train?