https://www.devex.com/people/turkish-airlines-how-to-add-an-infant-to-your-existing-reservation-2348925
https://www.devex.com/people/guide-to-adding-a-lap-infant-to-your-turkish-flight-ticket-2348962
https://www.devex.com/people/how-to-add-an-infant-to-your-southwest-flight-reservation-2349893
https://www.devex.com/people/can-you-add-an-infant-to-a-flight-you-ve-already-booked-with-southwest-2349983
https://www.devex.com/people/steps-to-add-a-lap-infant-to-your-existing-southwest-ticket-2350054