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 very much. Goodbye Sentence2: What is the price range? I need something that is cheap, but good. Sentence3: May I book you at the curry garden? Sentence4: Great, thank you, that's all I need for today. Sentence5: Could you book me a room at the Huntingdon Marriott Hotel for tomorrow? Sentence6: That sounds good. May I please have the address? Sentence7: They are located at 74 Mill Road City Centre Sentence8: Sure what time would you like to check in? Sentence9: Your reservation for Huntingdon Marriott Hotel is ready for you. The reference number is U5BRMYHP . Is there anything else I can help you with? Sentence10: Yes, I'd like to find an indian restaurant in the centre of town. Sentence11: I would like a room for 2 nights starting on Saturday for 6 people. Can I please have a reference number for this once it is booked? Sentence12: The curry garden is expensive. How about Kohinoor. It is cheap, good and also located in the centre of town? Question: Who has spoken the sentence 10? (A) User (B) System
Solution:
Answer: (A) User