Detailed Instructions: In this task, you will be shown a conversation and a question. You need to answer the question and choose the correct option based on the conversation. "W" and "M" in the conversations stand for "woman" and "man".
See one example below:
Problem: M: I am considering dropping my dancing class. I am not making any progress. W: If I were you, I stick with it. It's definitely worth time and effort., Question: What does the man suggest the woman do? (A) Consult her dancing teacher. (B) Take a more interesting class. (C) Continue her dancing class.
Solution: (C) Continue her dancing class.
Explanation: This is a good example. Based on the conversation, we could understand that only option (C) is correct.

Problem: W: Hello. Sunnyside Hotel. May I help you? M: Yes, I'd like to book a room for two on the 21st of March. W: Okay. Let me check our books here for a moment. The 21st of May, right? M: No. March, not May. W: Oh, sorry. Let me see here. Hmm, M: Are you all booked that night? W: I'm sorry. They are all booked that day. M: Then do you have a room available either on the 20th or the 22nd? W: Well, would you like a smoking or non-smoking room? M: Non-smoking, please. W: Okay, we do have a few rooms available on the 20th; we're full on the 22nd, unless you want a smoking room. M: Well, how much is the non-smoking room on the 20th? W: $ 80, plus the 10% room tax. M: Okay, that'll be fine. W: All right. Could I have your name, please? M: Yes. David Smith. W: Okay, Mr. Smith, we look forward to seeing you. M: Okay. Goodbye., Question: Including tax, how much is the man's room? (A) 80 dollars. (B) 88 dollars. (C) 90 dollars.
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
(B) 88 dollars.