https://superuser.com/questions/1875151/%e2%82%9a%e2%82%91%e2%82%99%e2%82%90%e2%82%97%e2%82%9cy-f%e2%82%91%e2%82%91%e2%82%9b-%e2%82%88%e2%82%84%e2%82%84-%e2%82%87%e2%82%80%e2%82%86%e2%82%86-%e2%82%83%e2%82%92%e2%82%92how-much-does-it-cost-to-cancel-frontier