A lady comes up to the desk holding a laptop.
Lady: Can I get an internet reservation?
Me: Sure, but we have wireless internet if you want.
Lady: I was going to use it, but I'm afraid my computer will be too loud when I start it up.
Me: Oh, that's so nice of you! But just go ahead and start it up right here at the desk--it's noisy here anyway.
And this is before the loud argument with throwing things that happened later on.
Lady: Okay, thanks!
She starts it up and it's completely silent.
Lady: Oh. I really thought I turned the volume up last night!