You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, my name is Margaret Thompson.

ASSISTANT: Sorry, no reservation found on your name in our database.

USER: Ok, thanks for your assistance.

ASSISTANT: Thank you for reaching us.