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: I need to book a train from stansted airport to cambridge, can you help me? Sentence2: I reserved you 6 seats on the TR5754. It leaves at 11:24. The total fee of 60.59 GBP is payable at the station. Your reference number is : 1IBJMMM8 Sentence3: Yes, what day will you be traveling? Sentence4: No problem. Have a great day and trip. Goodbye. Sentence5: monday, after 11:15 Sentence6: Can you reserve 6 tickets on the next train after 11:15? Sentence7: There are 13 trains that match. Shall I reserve any tickets for you? Sentence8: Great sounds perfect!! Thank you so much for all your help. Question: Who has spoken the sentence 2? (A) User (B) System
Solution:
Answer: (A) User