You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my reservation as my father is unwell, can you please do that for me?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Mark King.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

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

USER: Not an issue, thank you for the information.

ASSISTANT: You are welcome and have a great day.