Hello.
user
Hello, how can I aid you?
assistant
I am Donald Williams. 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?
user
Sure. Wait for a while.
assistant
Sure.
user
Thanks for waiting. There is no reservation found on your name.
assistant
No problem. Thank you.
user
Thanks for choosing us.
assistant