You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your address?

USER:  I am Joshua Wilson want to cancel my reservation due to heavy snowstorm. Can you help me in cancelling my ticket?

ASSISTANT: Sure, give me a moment I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation on this name.

USER: Thank you for your response.

ASSISTANT: Thanks for opting us.