You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Please cancel my reservation, due to sudden rainfall at my source I am unable to travel. Can you please help me with this?

ASSISTANT: Sure, we are here to help you with cancellation. To proceed further, Can you please share your name?

USER: Sure, I am Larry Turner.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name to cancel it.

USER: Ok, Thank you.

ASSISTANT: Thank you for approaching us.