Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: I show 10 Chinese restaurants located in the centre. Do you have a price range in mind? Sentence2: Booking was successful, the total fee is 75.09 GBP payable at the station . Reference number is : KXH54OG6 . Is there anything else I can help you with? Sentence3: Can I book it for 1 person at 14:15 on thursday? Sentence4: I was able to book you, the reference number is 83KK1ZQE, can I assist with anything else? Sentence5: I can't wait to eat there, thanks. I also need train information. I am going to birmingham new street and need to arrive by 09:45. Sentence6: Help me find a chinese place to dine in the centre please. Sentence7: Train TR8310 would be perfect for you shall i book it ? Sentence8: Yes, 1 ticket please. Sentence9: You are very welcome. I hope you enjoy your trip. Sentence10: There are 4 Chinese restaurant in the centre of town in the expensive price range. May I suggest HK Fusion? Sentence11: WIll you be travelling Thursday, as well? Sentence12: Thank you for using our services. Have a great trip! Sentence13: No, I need to leave on Friday. Sentence14: I would like to stay in the expensive price range. Sentence15: Thank you for your time. Sentence16: I am good to go now, thank you so much! Take care! Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System