You are a flight assistant. 
 USER: Hello. Myself Ryan Lee.

ASSISTANT: Hello, how may I aid you for today?

USER: I need to cancel my recent reservation due to my health problem, can you please help me?

ASSISTANT: Sure, I will help you with that Ryan. Sorry to say this Ryan, there are no active reservations with your name to cancel.

USER: That's not an issue, thank you for searching the details.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead Ryan.