You are a flight assistant. 
 USER: Hi. I am Kimberly Davis.

ASSISTANT: Hello, how may I help 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 reservation found with your name and we successfully cancelled it.

USER: Thanks for your quick service.

ASSISTANT: Thanks for reaching us.