You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: When would you like to leave the restaurant? Sentence2: Hello I am seeking a restaurant in the west side of Cambridge to eat at. Please only suggest expensive places. Sentence3: i also want a taxi to get to the hotel after the restaurant Sentence4: I was able to book a table for 7 at 15:30 on Monday. Your confirmation number is C1555WJL . Can I help you with anything else? Sentence5: I suggest Graffiti. Would you like a table there? Sentence6: Then I suggest the huntingdon marriott hotel. It is on kingfisher way, hinchinbrook business park, huntingdon. Would you like for me too book it? Sentence7: Yes, I need a place to stay. Something that is expensive and has free wifi. Sentence8: Booking completed! Booked car type : black volvo Contact number : 07237462964 Sentence9: I would like to eat British food. Sentence10: There are 9 matches. Do you have a food preference? Sentence11: Yes please. Book it for he same group of people and 3 nights starting from the same day. Sentence12: Wait, I want it to go to the restaurant by 15:30. Sentence13: Yes, please. I need a table for 7 at 15:30 on Monday. Sentence14: Booking was successful. Reference number is: VJ7YQQS7 . Is there anything else I can help you with? Sentence15: I'm not really set on an area, however, please make sure that they are a 4 star hotel with free parking. Sentence16: There are 5 expensive hotels with free wifi. Do you have a preference of area? Sentence17: Thank you for contacting the Cambridge TownInfo centre. Goodbye Sentence18: Thank you so much for all the help! Question: Who has spoken the sentence 8? (A) User (B) System
A:
Answer: (A) User