You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to ongoing tornado at my source point. Can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: I am Betty Baker.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry Betty Baker, there is no active reservation found with your name in our records.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Most welcome.