You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support 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: Cancel my reservation with the name of Virginia Miller.

ASSISTANT: Please, wait.

USER: Ok.

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

USER: Fine, no worries at all. Thank you for your quick response.

ASSISTANT: Thank you for choosing us.