https://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/12614-officialdoes-lufthansa-allow-flight-changes youmobs 2 months ago https://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/12614-%E3%80%90official%E3%80%91does-lufthansa-allow-flight-changes
