You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my recent ticket because I am unable to travel, can you please help me with that?

ASSISTANT: Sure, please wait for a moment.

USER: Thank you for accepting my request. Ok, take your time.

ASSISTANT: May I know your good name please?

USER: My name is Mark Evans.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: It's ok, not an issue. Thank you for checking my ticket status.

ASSISTANT: You are welcome.