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: TR5212 will arrive at London Liverpool Street at 19:27. It leaves Cambridge at 17:59, and the travel time is 88 minutes. Would you like a ticket? Sentence2: I would like to leave from Cambridge and with my destination being London Liverpool Street. Thank you for your help with this. Sentence3: In the North, if possible. Sentence4: Glad I could help, have a great trip! Sentence5: There are several trains that day. Could you tell me where you are departing from and arriving to, as well as a time you would like to leave? Sentence6: Yes the information for Hakka, 24 Milton Road Cambridge Cambridgeshire, +44 1223 568988. Would you like me to go ahead and book your table and for what time? Sentence7: The Hotpot and Hakka are both in the North. Would you like to book a table at one of these? Sentence8: Thank you, that will be all I need today. Sentence9: Can you help me find an expensive restaurant that serves Chinese food to dine at? Thanks. Sentence10: Not quite yet. But can you help me find a train fro Friday, arriving by 21:15? Sentence11: I have booked your 8 seats here is the information:Booking was successful, the total fee is 132.8 GBP payable at the station . Reference number is : WOEHJGD9 . Sentence12: Can I get the address and phone number of Hakka? Sentence13: I need 8 tickets, please. And could I get the reference number after you book them? Thanks. Sentence14: There are 9 expensive Chinese restaurants in Cambridge. Which area of town do you prefer? Question: Who has spoken the sentence 11? (A) User (B) System
Solution:
Answer: (B) System