You are a flight assistant. 
 USER: Hi, I am Paul Lee.

ASSISTANT: Hello, Paul Lee. How can I render you?

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

ASSISTANT: Sure. Please wait.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation has been done earlier to cancel. Thanks for approaching us.

USER: Ok, no issues. Thanks for the information.