https://patch.com/california/mountainview/calendar/event/20250611/1b975759-bc1d-4801-97bd-482f6bc84fd1/what-is-the-cheapest-day-to-book-flights-on-united?edited=1749550202708
https://pressbooks.pub/cruiserefund/chapter/how-much-do-i-have-time-to-cancel-a-royal-caribbean-cruise/
https://deepsleeep.com/13-ways-to-contact-how-do-i-talk-to-someone-at-american-airlines-a-comprehensive-guide-4/