Teacher: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? If you are still confused, see the following 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: Answer: (A) User
Reason: 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 instance: Sentence1: Ok great, can you please confirm your departure location? Sentence2: Your reference number is 2AIO16E6, is there anything else you need? Sentence3: No thanks. That won't be necessary. Have a great day. Thanks. Bye. Sentence4: I'd like to leave on Friday and get there by 15:30 Sentence5: The first one sounds nice. I'd like to make a reservation for 2 people at 13:30 on Thursday. Sentence6: I am looking for a moderately priced restaurant in the centre. Sentence7: I am also looking for a train that goes to Stevenage. Sentence8: Great. I'll make the reservation for you at the hotel du vin and bistro. Is there anything else I can do for you? Sentence9: Could I have the reference number please? Sentence10: Your train trip would cost you 12.80 pounds. Would you like me to book it? Sentence11: You're welcome. You have a great day as well. Bye! Sentence12: There are 5 trains leaving Cambridge with that arrival time. What time would you like to leave? Sentence13: What other information can you give me about this train ride? Sentence14: The latest departure time would work best. thank you. Sentence15: There are 21 options for moderately priced food in the centre. What type of food are you looking for? Sentence16: I'm hoping to have some european food. Sentence17: There are 4 restaurants that meet your specifications: Hotel Du Vin and Bistro, Galleria, De Luca Cucina and Bar, and Riverside Brasserie. Do any of these meet your liking? Sentence18: I'll be departing from Cambridge. What will the ticket cost me? Question: Who has spoken the sentence 14? (A) User (B) System
Student:
Answer: (A) User