Definitely no small mistake here, you would just go about it like nothing happened? What if said party in room did some damage and your cc ended up being charged? All types of scenarios here.

No shame whatsoever.

I am going to give the property the chance to make this right.

Let me be clear:

My goal is to determine what others believe is a fair expectation. I have no intention to request anything unreasonable. Now that might be shameful.