generate response: I am looking for a train going to Cambridge and should depart from King Lynn arriving by 08:15. Intent: find_train. Slots: restaurant-area=north, restaurant-bookday=friday, restaurant-bookpeople=2, restaurant-booktime=12:45, restaurant-food=french, restaurant-name=restaurant two two, restaurant-pricerange=expensive, train-arriveby=08:15, train-departure=kings lynn, train-destination=cambridge
Response: What day will you be traveling?