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: That should be fine. Please provide me tickets for the same group of people. I will also need a reference number. Sentence2: Going to Stansted Airport, from Cambridge. Sentence3: Yes, I would like to go to the airport on Monday. Sentence4: Booking was successful, the total fee is 60.59 GBP payable at the station . Reference number is : 2L1LA91L Sentence5: That is everything, thank you for your help. Sentence6: I'm sorry, I do not have information about plane travel, could I book you a train instead? Sentence7: Yes great I made your reservation and your reference number is SGSSGX8P . Sentence8: You're welcome! Have a great day! Sentence9: Yes, the efes restaurant. I'd like to book for 6 people at 12:00 on sunday. Could I also get the reference number? Sentence10: Hi I am also looking for a plane, leaving Monday at 6:00. Sentence11: Do you need me to look up anything else for you? Sentence12: I don't have information on deals, but I can book as many tables as you need. Do you have a cuisine in mind? Sentence13: Nope. That's it. Thank you. Sentence14: What is your destination? Sentence15: TR7460 leaves at 6:40 would that work for you? Sentence16: Hi is there any deals for tourists that will be a great price? so i can book them all at the same time? Question: Who has spoken the sentence 14? (A) User (B) System
Answer:
Answer: (A) User