https://www.devex.com/people/does-alaska-offer-special-discounts-for-infants-or-children-2428484
https://www.devex.com/people/at-what-age-is-a-child-classified-as-an-infant-on-american-airlines-2428612
https://www.devex.com/people/how-do-i-add-an-infant-to-my-existing-klm-ticket-2429403
https://www.devex.com/people/adding-twin-infants-to-your-turkish-airlines-booking-after-reservation-2429821
https://www.devex.com/people/how-to-modify-names-on-delta-airlines-tickets-quickly-no-fee-2426600