You are a flight assistant. 
 USER: Hello. I am Raymond Parker.

ASSISTANT: Hello, how may I address you?>.

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

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: It's Ok, thanks for your response.

ASSISTANT: Thanks for availing us.