You are a flight assistant. 
 USER: Hi,. I am Jason Green.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination point. Can you please aid me?

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: That's ok, no issues. Thanks for your quick response.

ASSISTANT: Thanks for reaching us.