https://kidsline.me/help/center_detail/cancel-rule
https://kidsline.me/help/center_detail/sitting-cancel-due-to-sitter
https://kidsline.me/help/center_detail/supporters-cancel
https://kidsline.me/help/center_detail/reserved-time-change-after-defined
https://kidsline.me/help/center_detail/extension
https://kidsline.me/help/center_detail/sitters-delay-payment