Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I have the oak bistro they serve british food. Sentence2: Is there any place that serves international food? Sentence3: I am looking for a place to dine. The restaurant should be in the centre and should be in the moderate price range. Sentence4: Either would be fine, could you make me a reservation for 8 people at 17:30 on Wednesday? Sentence5: Thank you for using our services. Sentence6: I've booked you a table for eight, your reference number is PJYZ9VQ9 . Can I help you with anything else? Sentence7: No, that is all. Thanks, good bye. Sentence8: There are two international restaurants that are in the moderate price range: The Varsity Restaurant and The Bloomsbury Restaurant. Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User