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: Your reservation is all set! Your reference number is WFOQFQ2P . Is there anything else I can help you with? Sentence2: There are two options. Both are expensive. Do you have a preference for area? Sentence3: I'm wondering if you have information about a particular restaurant called the curry queen? Sentence4: My preferred type is a hotel, and I want it to have parking and internet as well as a 3 star rating. Sentence5: I was able to book the gonville your reservation number is LANIULI7, anything else I can help you with today? Sentence6: Awesome, you've been a great help. Thank you. Sentence7: Do you have a price range or area you would like to stay? Sentence8: I'm happy to help, and I hope you enjoy your time in Cambridge! Sentence9: Need to book a hotel as well. Sentence10: No I have no preference. I would like to book it same day for 7 people and 4 nights. I would need the reference number once it is complete. Sentence11: The curry queen is an expensive restaurant located in centre. Would you like me to book a table for you? Sentence12: Yes, a table for 7 at 12:45 on Sunday. Sentence13: I'm sorry, I am unable to book it right now. Sentence14: Are you sure? Can you try both of them? I really need 4 nights, starting sunday for 7 people. Question: Who has spoken the sentence 8? (A) User (B) System
Solution:
Answer: (A) User