You are a flight assistant. 
 USER: Hello.

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

USER: I am Ronald Anderson. I am planning to cancel my recent reservation, due to health issue.

ASSISTANT: Sure, I will help you with that Ronald.

USER: Thank you.

ASSISTANT: Please wait for sometime, while I will check the reservation with your name in our booking list.

USER: Sure.

ASSISTANT: I regret to say this Ronald, there is no reservation with your name in our booking list to cancel.

USER: That's fine. Thank you for your service.

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