https://intercom.help/infanthelp/en/articles/11637035-how-to-add-a-baby-to-delta-airlines-after-booking-quick-help

https://erherhrhs.zohodesk.com/portal/en/kb/articles/c%C3%B3mo-hablar-con-un-representante-de-delta-airlines-puedes

https://www.interfaithchesapeake.org/esponalamerica/llamar_a_un_representante_de_qatar_airlines

https://erherhrhs.zohodesk.com/portal/en/kb/articles/c%C3%B3mo-puedo-llamar-a-delta-m%C3%A9xico

https://community.truecaller.com/forums/topic/6983-does-lufthansa-allow-free-changes/

https://www.orangetractortalks.com/forums/threads/25-ways-to-call-to-how-to-reach-a-live-person-at-carnival-cruise-speak-with-a-rep-instantly.75420/

https://intercom.help/infanthelp/en/articles/11637032-how-to-add-an-infant-to-my-delta-airlines-flight-delta-call

https://erherhrhs.zohodesk.com/portal/en/kb/articles/c%C3%B3mo-hablar-con-una-persona-de-delta-llama

https://intercom.help/infanthelp/en/articles/11637028-united-airlines-support-for-adding-an-infant-after-booking-hide-guide

https://www.orangetractortalks.com/forums/threads/ten-ways-to-contact-how-to-speak-to-an-agent-at-southwest-through-contact-options-a-complete-step-by-step-guide.75412/