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: What is the total travel time? And can I also get the departure time and a price please Sentence2: Can you book a table for 1 at 17:00 on Saturday there for me? Sentence3: Sure! I've booked it for Saturday at 17:00 for 1 person. Reference number is 57BVL3K7 . Sentence4: How much does this ticket cost? Thanks for your help! Sentence5: have a nice day. bye Sentence6: TR6210 arrives in Cambridge at 12:54 on Saturday. Would you like a ticket on that train? Sentence7: Please help me find a restaurant called Frankie and Bennys. Thanks. Sentence8: That train leaves at 11:09 and last a total of 105 minutes of travel. Sentence9: It is located at Cambridge Leisure Park Clifton Way Cherry Hinton Sentence10: It is 30.24 pounds. Sentence11: Yes. I'm coming in from leicester. Sentence12: Will you be traveling on Saturday? Sentence13: Thanks, I also need a train going to cambridge, arriving at 13:00, please. Sentence14: No thank you that will be all Question: Who has spoken the sentence 4? (A) User (B) System
Answer:
Answer: (A) User