Hi. I am Jessica Walker.
user
Hello, may I know how best I can help you today?
assistant
I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?
user
 Please wait for some time, I will check with your existing reservation status.
assistant
Ok.
user
We are sorry to inform you that, we did not find any reservation against your name.
assistant
That's ok. Thank you for the response.
user
Thank you for reaching us with a query.
assistant