Hello.
user
Hello, how may I serve you?
assistant
As my manager did not approve my leave, I would like to cancel my recent reservation.
user
Sure, I will help you. Please provide the name on which ticket was reserved.
assistant
Can you aid me with this? Myself Robert Walker.
user
Sorry, there is no reservation existing on your name.
assistant
That's ok, thank you for checking.
user
You are welcome, have a nice day.
assistant