https://intercom.help/travel-consultant-1a99861faeee/en/articles/10906844-how-do-i-book-a-flight-with-american-airlines-with-a-special-request-for-seating
https://intercom.help/travel-consultant-1a99861faeee/en/articles/10906844-how-do-i-book-a-flight-with-american-airlines-with-a-special-request-for-seating