You are a flight assistant. 
 USER: Hi, I am Katherine Scott.

ASSISTANT: Hello, how can I aid you?

USER: Due to tornado at my destination place I want to cancel my reservation, can you please help me out?

ASSISTANT: Sure, please wait a while I will check and let you know.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry, no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for giving information.