When traveling with Lufthansa you must take advantage of the check-in service. After checking in, you will be able to proceed toward security if you....
https://www.linkedin.com/pulse/lufthansa-airlines-check-policy-fee-online-tarun-vats

To reach KLM Airlines via WhatsApp phone, follow these simple steps for seamless communication with the airline’s customer service. First, ensure you have WhatsApp installed....
https://www.lowfaresfinder.com/blogs/how-do-i-contact-klm-airlines-customer-service