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

Let me give you an 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
The answer to this example can be: Answer: (A) User
Here is why: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

OK. solve this:
Sentence1: We have just the place. Darrys Cookhouse and Wine Shop serves this type of food in the centre and is within the expensive range. Sentence2: I would be happy to look that up. Where would you like to depart from? Sentence3: I found 10 trains, do you have a particular time you'd like to go? Sentence4: Not now, but I do need a train to cambridge that leaves after 19:45. Sentence5: I have the TR4015 that leaves at 19:54. Will that work? Sentence6: Of course, the address is 40270 King Street City Centre. Would you like me to try and book you a reservation? Sentence7: Yes, that will work. Can you please book 4 tickets for that train. And can I get the reference number please. Sentence8: Booking was successful for TR4015, the total fee is 51.2 GBP payable at the station. Your reference number is : JZCOHGH8 . Can I help with anything else? Sentence9: I am looking for a place to eat. I want to eat modern european food in the expensive price range please. Sentence10: That sounds great! Could you give me the address? Sentence11: No thank you. That was all the information that i needed, i appreciate everything you have done for me. Sentence12: Thank you for using our system! Sentence13: I want to depart from stevenage on wednesday please. Sentence14: The only time specification is that the train leaves Stevenage after 19:45. Question: Who has spoken the sentence 8? (A) User (B) System
Answer:
Answer: (A) User