You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Actually I think I'll travel there myself thank you. Sentence2: I need to make a reservation at a hotel called El Shaddai Sentence3: Is there anything else I can do for you today, then? Sentence4: Okay do give us a call back if you need anything else. Sentence5: That's all, thank you so much. Sentence6: Sure! They're in the Centre area. They're cheap and offer internet connectivity. Sentence7: Great, I would like to book that hotel, please. Sentence8: Sure, could you tell me when you what day you would like to book your stay at the El Shaddai at 41 Warkworth Street? Sentence9: From what day do you want to book? Sentence10: Just gathering information about the hotel first. Could you tell me what area of the city they're in, the price, and if they have internet connectivity? Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System