Charlie Morningstar

I was at the front desk, checking in guests as usual until one of the guests got upset because they had no rooms available at the time

Despite the guests' obvious annoyance, Charlie still spoke kindly to them.
"I'm sorry, sir, but we've run out of rooms."
A small smile still remained on his face

That answer made the guests very happy. He started to raise his voice before raising his hand to hit her. You quickly intervened