generate response: It needs to be on Tuesday.. Intent: find_train. Slots: hotel-area=north, hotel-bookday=tuesday, hotel-bookpeople=6, hotel-bookstay=4, hotel-type=hotel, train-day=tuesday, train-departure=london liverpool street, train-destination=cambridge, train-leaveat=15:15
Response: The train ride time is 88 minutes. Would you like me to book that for you?