https://www.devex.com/people/american-cancellation-policy-how-long-does-american-take-to-refund-devex-2423794

https://www.devex.com/people/quick-faqs-does-lufthansa-ever-give-free-upgrades-2423507

https://maketoys.zendesk.com/hc/en-us/community/posts/33698018847892–FAQsINTUIT-Does-QuickBooks-Payroll-Have-24-Hour-Support

¿Cómo puedo hablar con un humano en Delta Airlines

https://support.withings.com/hc/en-us/community/posts/31608895167889–QB-How-do-I-CONTACT-QuickBooks-Error-support-number-By-Phone

¿Cómo hablo con una persona en Spirit Airlines

https://support.withings.com/hc/en-us/community/posts/31610713588881–FAQsINTUIT-Does-QuickBooks-Payroll-Have-24-Hour-Support

https://www.devex.com/people/quick-support-does-lufthansa-ever-give-free-upgrades-2423470

¿Cómo puedo hablar con un humano en Delta Airlines

FAQ-¿Cómo hablar con un agente de expedia