Https://thwarts.cee.illinois.edu/files/2025/06/how-to-contact-lufthansa-airlines-customer-service-talk-to-a-live-agent-instantly.pdf https://thwarts.cee.illinois.edu/files/2025/06/how-to-contact-lufthansa-airlines-customer-service-talk-to-a-live-agent-instantly.pdf