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: I'd actually like to book a taxi to commute between those two places you found for me. I need to leave the hotel by 09:15 please. Sentence2: Can I help you with anything else today? Sentence3: Unfortunately, the hotel is not available for your criteria. How about checking another hotel? Sentence4: The Curry Garden is located at 106 Regent Street City Centre, postcode cb21dp. Would you like to conduct more searches for other locations? Sentence5: Is it available for 4 nights starting from Sunday for 6 people? Sentence6: The Curry Garden is a popular choice. Sentence7: I need a hotel with free wifi but I don't need free parking. Sentence8: I'm looking for one that is moderately priced and don't have a preference on where exactly it is. Sentence9: Let's go with that. What's the address? Sentence10: thank you for your help goodbye Sentence11: Thank you, I also need a place to eat in the centre of town. Sentence12: I found quite a few options for you. Could I narrow it down by price range? Sentence13: I'm looking for Indian food, please. Sentence14: The Ashley hotel is the North and is priced at moderate. Sentence15: I was able to book that, reference number is 49SWXAT1 . Sentence16: Sure! I have booked a yellow BMW to pick you up at 09:15 from your hotel. The contact number for the taxi is 07744629357. Sentence17: No That is all. Again thank you. Sentence18: Thank you and good bye! Sentence19: could you try the same one, three nights only? Sentence20: There are over 30 to choose from. Is there a certain part of town you prefer? Sentence21: Great! Thank you for your help. Sentence22: No, price does not matter. Right now I'd just like a recommendation. Sentence23: Thank you for using the Cambridge TownInfo centre. Have a good day. Sentence24: Yes can we narrow it done by food type or price range? Question: Who has spoken the sentence 4? (A) User (B) System
Answer:
Answer: (A) User