https://patch.com/california/unioncity/calendar/event/20250119/16118f36-870b-481a-a834-1d5217495cff/free-booking-what-is-the-cancellation-policy-of-delta-https://patch.com/california/unioncity/calendar/event/20250119/16118f36-870b-481a-a834-1d5217495cff/free-booking-what-is-the-cancellation-policy-of-delta-
