http://support.google.com/admanager/thread/328938658?hl=en&sjid=13947615030738141405-NA http://support.google.com/admanager/thread/328939165?hl=en&sjid=13947615030738141405-NA http://www.goodreads.com/topic/show/23069988-connect-can-you-change-a-lufthansa-flight-for-free http://www.goodreads.com/topic/show/23069996-faqguide-can-you-change-a-lufthansa-flight-for-free http://www.goodreads.com/topic/show/23070003-supportguide-can-you-change-a-lufthansa-flight-for-free http://www.goodreads.com/topic/show/23070016-customersupport-can-you-change-a-lufthansa-flight-for-free http://www.goodreads.com/topic/show/23070049-what-is-the-24-hour-rule-for-lufthansa http://www.goodreads.com/topic/show/23070081-connect-what-is-the-24-hour-rule-for-lufthansa-edit http://www.goodreads.com/topic/show/23070086-guide-what-is-the-24-hour-rule-for-lufthansa-edit http://www.goodreads.com/topic/show/23070089-usa-service-what-is-the-24-hour-rule-for-lufthansa-edit