Https://intercom.help/infanthelp/en/articles/12089091-can-i-add-a-passenger-to-my-southwest-airlines-reservationhttps://intercom.help/infanthelp/en/articles/12089091-can-i-add-a-passenger-to-my-southwest-airlines-reservation https://intercom.help/infanthelp/en/articles/12089091-can-i-add-a-passenger-to-my-southwest-airlines-reservation