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: Thanks. The train and attraction are all I need today. I appreciate your help. Goodbye. Sentence2: I am going to Cambridge and I want to travel home by train. Sentence3: I am also interested in places to go in town. I would like to find an entertainment attraction in the east of town. Do you have any suggestions? Sentence4: I would like to leave on Wednesday after 16:00 and go to Norwich. Sentence5: Yes please. Thank you so much! Sentence6: The first train leaving after 16:00 is TR6838. It leaves at 16:36 and will arrive at 17:55. Will that fit your needs? Sentence7: Okay your booking was successful and your reservation number is SAAOOKI0 . Sentence8: That sounds perfect, can you let me know the price per ticket on that? Sentence9: Can I get the postcode for the funky fun house? Sentence10: What day would you like to travel? Sentence11: I've got two for you. The Cherry Hinton Hall and Grounds or the Funky Fun House. Would you like more information on one or both? Sentence12: You're welcome! Have a great day! Sentence13: the postcode is cb58hy. anything else? Sentence14: It is 17.60 pounds. Would you like me to book it for you? Question: Who has spoken the sentence 6? (A) User (B) System
Answer:
Answer: (A) User