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https://www.oscommerce.com/forums/topic/510388-~lufthansa%E2%84%A2-%F0%9D%9F%AD~%F0%9D%9F%AA%F0%9D%9F%A7%F0%9D%9F%A7~%F0%9D%9F%AA%F0%9D%9F%A5%F0%9D%9F%AA~%F0%9D%9F%A6%F0%9D%9F%AB%F0%9D%9F%A91-what-is-the-24-hour-rule-for-lufthansa-customer_service/