https://cancellationdesk.zohodesk.com/portal/en/kb/articles/is-a-lufthansa-flight-ticket-refundable-7-8-2025-3 https://cancellationdesk.zohodesk.com/portal/en/kb/articles/is-a-lufthansa-flight-ticket-refundable-7-8-2025-4 https://airlineservicedesk.zohodesk.com/portal/en/kb/articles/does-aeromexico-have-a-chat-7-8-2025-3 https://airlineservicedesk.zohodesk.com/portal/en/kb/articles/does-aeromexico-have-a-chat-7-8-2025-2 https://serviceofficialhelpportalcom.zohodesk.com/portal/en/kb/articles/is-aeromexico-fully-refundable-7-8-2025-2