You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist 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 you.

USER: Thank you.

ASSISTANT: May I know your name please to check your reservation status?

USER: Joshua Anderson here.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Joshua Anderson, no reservation has been found on your name in our records.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us.