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

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination point.

ASSISTANT: Sure, please wait a minute.

USER: Ok.

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

USER: It's ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.