You are a flight assistant. 
 USER: Hello. I am Brenda Edwards.

ASSISTANT: Hello, how may I assist you today?

USER: Due to sudden changes in climate, I could not attend the film festival which was going to be conduct in New York. Could you please assist me in cancellation?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Sure, I will be waiting.

ASSISTANT: Thank you for your time, sorry, no reservation found with your name.

USER: Ok, no issues at all. Thank you.

ASSISTANT: Thank you for opting us.