You are a flight assistant. 
 USER: Hello, I am Carol Miller.

ASSISTANT: Hello, how can I assist you?

USER: Will you please assist me in cancelling my reservation as I am unable to travel?

ASSISTANT: Sure. Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. We did not find any reservation on your name.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thank you for reaching us.