https://parcheweb.com/forum/negocio-parcheweb/problemas-tecnicos/162764-24-7~support-lufthansa-seat-upgrade-and-rebooking-strategieshttps://parcheweb.com/forum/negocio-parcheweb/problemas-tecnicos/162764-24-7~support-lufthansa-seat-upgrade-and-rebooking-strategies