Hi @Brianda2, as Lorna mentioned, have you reached out to your Host via the Airbnb messaging system of your booking that you want to cancel the reservation?
You may also want to explore this article that shares about Cancelling your reservation for a stay, step by step:https://www.airbnb.ca/help/article/169.
Please keep us posted if you are able to make these changes or need any further suggestions!