You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I have to cancel my flight ticket booking due to storm effect in that region, Can you please help me in cancellation process?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name to proceed further?

USER: Sure, you can check my reservation on the name of Gregory Walker.

ASSISTANT: Ok, please wait for a while, I will check the status and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for being patient, There was no reservation found on your name.

USER: That's Ok, thanks for your kind response.

ASSISTANT: Thank you for approaching us.