You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
One 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
Solution is here: Answer: (A) User
Explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Now, solve this: Sentence1: Please book that one for 7 people. Sentence2: I also need a place to stay in the east area. Sentence3: No, that will be all. Thank you! Sentence4: Thank you for using Cambridge TownInfo. Goodbye! Sentence5: How about on Monday? Any train leaving after 19:00? Sentence6: I would recommend TR6223 which leaves Leicester at 19:09 and arrives in Cambridge by 20:54. Sentence7: I have 7 places to stay in the east. Did you have a certain price range or other preferences? Sentence8: There is a train leaving at 5:09 on Friday and arriving at 6:54. Sentence9: I have the warkworth house located at warkworth terrace. Would you like reservations? Sentence10: Yes please for 7 people and 2 nights starting on Friday. Sentence11: Done! Your reference number is 02RUTRTJ . Can I help you with anything else? Sentence12: Need to know the train schedule from leicester to cambridge Sentence13: I would like a 4 star hotel in the moderate price range that includes free parking. Sentence14: Your booking was successful. Your reference number is X16ZO0Y8 . Question: Who has spoken the sentence 1? (A) User (B) System
Solution:
Answer: (B) System