You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approved my leaves, so can you please cancel it?

ASSISTANT: Sure, I am here to help the cancellation.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Carol Taylor here.

ASSISTANT: Please wait for a moment, I will check the records.

USER: Sure.

ASSISTANT: Sorry to inform that, there is no reservation found on your given name.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for reaching us, have a nice day.