You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid 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, we are here to help you. Please provide your good name.

USER: My name is Brandon Wilson.

ASSISTANT: Ok, please wait for a while, I will check with the reservation and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any reservation on your name.

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

ASSISTANT: Thank you for choosing us.