https://patch.com/california/losaltos/calendar/event/20250223/51f36ece-b13f-4bdb-8c7c-accb9af84eda/select-more-what-days-are-the-cheapest-on-amtrak
https://patch.com/new-york/newcity/calendar/event/20250223/e03185a1-291b-4049-a892-ceaeccdf6609/complete-guide-what-days-are-delta-tickets-cheaper
https://patch.com/california/unioncity/calendar/event/20250228/9247da14-17d8-4a4f-a612-fdded5e7a28a/several-option-expedia-does-expedia-charge-a-cancelation-fee
https://patch.com/new-york/new-york-city/calendar/event/20250223/6c66288f-a806-49c3-a602-505e57f2a83a/——xgfdg
https://community.apartmenttherapy.com/discussion/878/does-delta-airlines-have-a-free-cancellation-policy/p1?new=1
https://patch.com/california/losaltos/calendar/event/20250223/51f36ece-b13f-4bdb-8c7c-accb9af84eda/select-more-what-days-are-the-cheapest-on-amtrak
https://patch.com/new-york/new-york-city/calendar/event/20250223/6c66288f-a806-49c3-a602-505e57f2a83a/——xcgdrt