You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination place. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: Samantha Lewis here.

ASSISTANT: Please hold on a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for availing us.