i would like an early morning nonstop flight from new york to las vegas on february twenty eighth
O O O O B-depart_time.period_of_day B-depart_time.period_of_day B-flight_stop O O B-fromloc.city_name I-fromloc.city_name O B-toloc.city_name I-toloc.city_name O B-arrive_date.month_name B-arrive_date.day_number I-arrive_date.day_number