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 with that?

ASSISTANT: Sure, may I know your name?

USER: Myself Richard Adams.

ASSISTANT: Ok, Please stay online, I will check the previous list and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for remaining so positive. We are sorry to say that, there is no active reservation found on your name.

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

ASSISTANT: Thanks for reaching us.