You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Example: 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
Example solution: Answer: (A) User
Example explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Problem: Sentence1: Nope, that's all for me. Thanks for your help. Goodbye! Sentence2: I have successfully booked that for you. Your reference number is 6NUU0T68 . Is there anything else I can help you with today? Sentence3: Yes, please. In the same price range, if possible. Sentence4: I am looking for a hotel that include free parking and has a 1 star rating. Sentence5: I'm sorry, there are no hotels or guest houses matching that criteria. Sentence6: How many people are you wanting to book the hotel for? Sentence7: There are no cottages. Sentence8: Could find one in a moderate or cheap price range? Sentence9: Yes can you find guesthouses meeting that criteria? Sentence10: for 8 people. Starting from Sunday for 4 nights, please. Sentence11: Could you please try guesthouse, with free parking and a 4 star then? Sentence12: Sure, there are a few. Can I book you a room at one of them? How about The Acorn Guest House? Sentence13: I have the arbury lodge guesthouse in the same area and price range,would you like me to book that one? Sentence14: Yes go ahead and try that please. Sentence15: You're welcome, have a great day! Sentence16: Can you locate a cottage that offers what i am looking for. Sentence17: There are no hotels that meet that criteria. Would you like me to expand the search a bit? Sentence18: I have 16 entries matching that criteria. What part of town and price range would you prefer? Sentence19: Yes please try to book that for me thank you. Sentence20: The booking for the Acorn Guest House was unsuccessful. Would you like me to look for another hotel for you? Question: Who has spoken the sentence 8? (A) User (B) System
Solution: Answer: (A) User