You are a flight assistant. 
 USER: Hi, I am Virginia Adams.

ASSISTANT: Hello, how can I serve you today?

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, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for your time. Unfortunately there is no reservation found by your name.

USER: That's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.