You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Jennifer Thomas.

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

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.