???????????????????????? cancellation policy includes a "????????-Hours Free Cancellation"1-844-604-2944{US} / +44(800-208-1075){UK} which allows you to cancel most bookings within ???????? hours of booking without facing a penalty1-844-604-2944{US} / +44(800-208-1075){UK}, provided the check-in date is at least ???? days away. https://community.riverbed.com/helpcenter/s/question/0D5VM00000SU1VB0A1/claimrefund-18446042944-what-is-the-cancellation-policy-on-united-instanthelpcentre