You are a flight assistant. 
 USER: Hello. I am Deborah Jones.

ASSISTANT: Hello, how may I help you now?

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 will help you. Please, wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting. I did not find any reservation on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for approaching us.