Me: Oh, hi. How can I help you?
Guest: All this dust worked up my asthma. Do something.
Me: Um okay, was your room on the second floor? We're renovating some of the bathrooms on that floor.
Guest: No, my room was on the fifth.
Me: ... so, you're talking about dust from the construction right?
Guest: Yeah, I went through the first floor and now I'm all sorts of stuffy.
Me: ... so you completely ignored the giant sign that told you not to enter? And you want me to do something about that? A quick question, was everything okay with your room?
Guest: Oh, the room was great. But this dust!
Me: ... unfortunately we put up signs for a reason and if you entered after ignoring it, there isn't a whole lot I can do.
Guest: So there's nothing?
Me: Besides apologizing for you entering and ignoring the signs? No. Um, I have some Kleenex.