You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Please cancel my recent reservation due to some health issues?

ASSISTANT: Sure, will you please let me know your name to check the reservation status and revert you?

USER: Sure, I am Karen Adams.

ASSISTANT: Ok, please allow me few minutes.

USER: Sure.

ASSISTANT: Thanks for waiting, we could not find any reservation active under your name in our data base.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.