A、What the man booked is a single room. B、The man and his wife want to check out. C、A single room can’t be changed for a double.

M: Your husband is very helpful, isn’t he?
W: Maybe he is willing to help. But last night he told the children a horrible story and both of
them were scared out of sleep.
Q: What does the woman mean?

M: Excuse me. my wife and I booked a double room, but the room we got is only a single. Can we get it changed for a double?
W: Oh, no. I am really sorry for our mistake, but now the double rooms are fully booked.
Q: What do we learn from the conversation?