You have to request the guest to cancel. Go into the reservation and click 'Request to cancel' then guest has to confirm, so worth messaging them beforehand and explaining why you need to cancel.
Otherwise contact help team but they will charge a relocation fee.
After I was robbed by a Booking.com guest in my own home, I introduced a basic security check (comparing the name and address given with the free online
You have to request the guest to cancel. Go into the reservation and click 'Request to cancel' then guest has to confirm, so worth messaging them beforehand and explaining why you need to cancel.
Otherwise contact help team but they will charge a relocation fee.
Thank you.