https://www.steadyhealth.com/topics/how-to-connect-with-a-lufthansa-airlines-customer-service-representative
https://forums.macrumors.com/threads/1-855-550-0744-does-united-airlines-offer-senior-discounts.2453719/
https://www.steadyhealth.com/topics/how-to-call-klm-customer-assistance-via-phone-chat-and-email-a-completed-help-guide
https://deltahub.reamaze.com/articles/ways-to-reach-paypal-customer-service-through-phone-email-or-chat-step-by-step-instructions
https://intercom.help/asddadd/en/articles/10870487-ayuda-y-centro-como-hablar-con-un-agente-en-expedia
