https://european-social-fund-plus.ec.europa.eu/en/social-innovation-match/partner/hassle-free-flight-changes-delta-airlines-dial-1-800-260-8820
https://myagileplm.com/question/fix-name-errors-on-delta-airlines-tickets-without-complications/
https://www.enworld.org/threads/best-days-to-book-cheap-flights-on-american-airlines.710847/