You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to cancel my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, can I have your name please?

USER: Thank you. Myself Christopher Anderson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

USER: Ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for opting us.