You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I want to cancel my recent reservation, as my health is not good to travel. Can you please help me with this?

ASSISTANT: Sure, I will help you about it. Can you please provide your name so that I can check your reservation status?

USER: I am Donna King.

ASSISTANT: Sorry King, there is no active reservation under your name in our listings.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: My pleasure.