You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve 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, l will help you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Myself Richard Davis.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your details, there is no active reservation found on your name.

USER: That's ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for opting us.