if the person doesn't want to release the coin.you can quickly go to appeal and everything will be settled, after giving them the screenshot of your payment receipt.
You have answered the question your self.
Binance exchange and some other exchanges that offer P2P services are well organized, they make sure every end user is satisfied while trading.
They provide the necessary tools required to make proper compliant so as to have good and perfect trade with no cheat that is why they allowed you to appeal in case your buyer or the seller did not respond as expected.