You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Solution: Answer: (A) User
Why? The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input: Sentence1: Thank you. We'll be happy to help you with your future travel needs. Sentence2: How many people will be staying? Also, when would you like to check in? Sentence3: No thank you. Do they have free wifi? Sentence4: Greetings! I'm looking for the Worth House, I heard it's in Cambridge. Sentence5: Sure, just me. Monday at 12:00 is fine. Sentence6: Just Monday night. Sentence7: The Worth house is in the North. Sentence8: Yes, I would like to book the hotel now. Sentence9: Yes it is in the North and is a cheap 4 star guesthouse. Would you like to make a reservation? Sentence10: What is the price range of that hotel? Sentence11: Worth House is in the cheap price range. Would you like any more information? Sentence12: Nope, that's all. Thanks. Bye! Sentence13: Sure, anything else I can do for you. Sentence14: How many nights will you be staying? Sentence15: What area is the hotel in? Sentence16: Yes, they have free wifi. Would you like to book the hotel now? Question: Who has spoken the sentence 12? (A) User (B) System
Solution:
Answer: (A) User