CREATE TABLE table_204_215 (id DECIMAL, "airline" TEXT, "destination ( s ) " TEXT, "aircraft scheduled" TEXT, "service date ( s ) " TEXT, "comments" TEXT)

does allegiant air fly to dallas or las vegas ?
SELECT "destination(s)" FROM table_204_215 WHERE "airline" = 'allegiant air'
SELECT "destination(s)" FROM "table_204_215" WHERE "airline" = 'allegiant air'