instruction:
You are given a sentence from a conversation between a human and a virtual assistant. Your task is to identify whether the sentence is a question or not. Answer with Yes or No.
question:
What time should I reserve for?
answer:
Yes


question:
Please give confirmation details: Booking a table at Bombay to Goa at 5:30 pm in the city of San Francisco on next Thursday for 2 people
answer:
No


question:
No, actually I want the reservation at Celia's in SFO.
answer:
No