i need a return flight from chicago to kansas city leaving chicago around 7 in the evening next thursday
O O O O O O B-fromloc.city_name O B-toloc.city_name I-toloc.city_name O B-fromloc.city_name B-depart_time.time_relative B-depart_time.time O O B-depart_time.period_of_day B-depart_date.date_relative B-depart_date.day_name