Hi.
user
Hello. How may I assist you?
assistant
 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, I am here to help you out.
assistant
Thank you.
user
May I know your name please?
assistant
Samantha Campbell here.
user
We haven' found nay reservation under your name in our database.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for choosing us.
assistant