Without airline reservation system, your travel portal is not complete portal. (travelpd.com)
When making airline reservations, book seats together so that your whole family is sitting in one area and your child's frequent bathroom breaks don't disturb fellow passengers. (verywellfamily.com)
Accordingly, travelers are advised to check with their travel agent or airline reservations agent when booking flights or if they have questions about their final destination's policy. (transportation.gov)