You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I render you?

USER: Owing to an emergency I had to request for this cancellation.

ASSISTANT: Ok.

USER: Can you please help me to cancel my recent reservation?

ASSISTANT: Sure. May I know your good name for further process?

USER: Donald King is here.

ASSISTANT: Please hold on. No reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thanks for your assistance.