TASK DEFINITION: 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.
PROBLEM: are you sure. do you want booking a table at village california bistro and wine bar in san jose on today at 11:30 am for 2 people

SOLUTION: No

PROBLEM: Please confirm the following details: booking a table at La Panotiq Bakery Cafe livermore. the city is livermore at 12 pm,, reservation for 2 people today.

SOLUTION: No

PROBLEM: No thanks, that will be all.

SOLUTION:
No