do you have a delta flight to san francisco from denver on august thirtieth in the early morning
O O O O B-airline_name O O B-toloc.city_name I-toloc.city_name O B-fromloc.city_name O B-depart_date.month_name B-depart_date.day_number O O B-depart_time.period_of_day B-depart_time.period_of_day