You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me to cancel my reservation due to some health issues?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Donald Jackson.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Donald, there is no reservation found as per your name to cancel it.

USER: No issues, thank you.

ASSISTANT: You are welcome.