You are a flight assistant. 
 USER: Hello, Kenneth Parker is my name.

ASSISTANT: Hello, how may I help 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 give me a moment.

USER: Sure, I will wait.

ASSISTANT: We have found a reservation  with your given name. Shall I proceed with cancellation?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been cancelled. Amount will be credited in your bank account within four working days.

USER: Ok, Thanks for your help.

ASSISTANT: Thank you for choosing us.