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