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, may I know your good name?

USER: Raymond Rodriguez here.

ASSISTANT: Thanks for providing your name, there is no reservation on your name.

USER: No problem, Thank you.

ASSISTANT: Thank you.