You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help 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, May I know your name?

USER: Sure, you can check my reservation on the name of Raymond Thompson.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's Ok, thanks for your information.

ASSISTANT: Thank you for availing us.