list all flights from new york to las vegas that fly nonstop on sunday and list flights from memphis to las vegas that fly nonstop on sunday
O O O O B-fromloc.city_name I-fromloc.city_name O B-toloc.city_name I-toloc.city_name O O B-flight_stop O B-depart_date.day_name O O O O B-fromloc.city_name O B-toloc.city_name I-toloc.city_name O O B-flight_stop O B-depart_date.day_name