You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I want to cancel my reservation as I am unable to travel due to some health issues, so please help me to cancel.

ASSISTANT: Sure, we are here to aid you.

USER: Ok.

ASSISTANT: May I know your name to proceed further?

USER: Sure, I am Katherine Adams.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a reservation on your name and it is cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.