A Smiling Face

Seminole was a man who wanted to give his best at everything he put his mind to. Even when he was working as a server, he knew he could not give up. He was going through a tough time financially but always made sure he put a smile on his face. As he did his best as a waiter, he was given a strange-looking note one day at work. What could it be because of which he immediately went in search of his phone?