https://pressbooks.pub/travelplan/chapter/can-lap-infants-travel-in-lie-flat-seats-on-virgin-atlantic-airlines/
https://pressbooks.pub/travelplan/chapter/how-to-add-a-baby-to-a-business-or-first-class-virgin-atlanticticket-after-booking/
https://pressbooks.pub/travelplan/chapter/what-are-the-requirements-for-lap-children-on-air-canada-airlines-flights/
https://pressbooks.pub/travelplan/chapter/can-you-add-an-infant-to-a-same-day-upgrade-on-air-canada-airlines/
https://pressbooks.pub/travelplan/chapter/does-air-canada-airlines-allow-two-lap-infants-with-one-adult-passenger/
https://pressbooks.pub/travelplan/chapter/how-to-modify-your-ticket-to-add-an-infant-on-air-canada-airlines/
https://pressbooks.pub/infantnamechange/chapter/does-delta-offer-discounts-for-infants-or-children/