Https://mcmanuslab.ucsf.edu/sites/mcmanuslab.ucsf.edu/files/2025-07/15-ways-to-contact-to-live-agent-at-a-m-e-r-i-c-a-n-airlines-via-phone-email-or-chat-options-a-step-by-step-guide.pdf https://mcmanuslab.ucsf.edu/sites/mcmanuslab.ucsf.edu/files/2025-07/15-ways-to-contact-to-live-agent-at-a-m-e-r-i-c-a-n-airlines-via-phone-email-or-chat-options-a-step-by-step-guide.pdf