Resetting MacBook Air password
i shut off and reset my command r and now I don’t know what to do
MacBook Air 11″, macOS 10.15
See instructions in If you forgot your Mac login password - Apple Support
If nothing else in that support article helps, the last step is
If that doesn't help, follow the steps here: If you can't reset your login password.
Review all of the steps in If you can't reset your Mac login password - Apple Support
One of the steps in that article may lead you to the screen shown in your screen shot. If it does, note that you will need to use the menu at the top of the screen (not the four options shown on the screen). See full instructions for that in the "Use the Reset Password assistant" section of If you can't reset your Mac login password - Apple Support