https://intercom.help/infanthelp/en/articles/11497757-can-i-add-a-passenger-to-already-booked-american-ticket

https://www.lacdp.org/252337/how_to_bypass_the_qatar_airways_phone_menu_and_talk_to_a_human

https://www.lacdp.org/254615/how_to_talk_to_a_live_agent_at_volaris_airlines_support_a_brief_guide_to_live_support

https://ieikm.khu.ac.kr/forums/topic/19-ways-to-call-frontier-airlines-customer-care-full-guide-usa/

https://www.americantowns.com/event/como-contactar-a-united-airlines-desde-otro-pais-2025-06-02-new-york-ny.html

https://www.lacdp.org/254615/how_to_talk_to_a_live_agent_at_turkish_airlines_support_a_brief_guide_to_live_support

https://www.lacdp.org/252337/how_to_get_a_live_person_on_the_phone_at_qatar_airways_step-by-step_guide

https://www.americantowns.com/event/como-me-comunico-con-united-airlines-por-telefono-2025-06-02-new-york-ny.html

https://www.lacdp.org/254615/how_to_talk_to_a_live_agent_at_alaska_airlines_support_a_brief_guide_to_live_support

https://www.lacdp.org/254615/how_to_talk_to_a_live_agent_at_southwest_airlines_support_a_brief_guide_to_live_support