Hello.
user
Hello, how may I serve you?
assistant
As my manager did not approve my leave, I would like to change my recent reservation. Can you aid me with this?
user
Sure, I will try to amend your reservation. May I know the name on which ticket was reserved?
assistant
Sure, myself Elizabeth Carter.
user
Sorry, there is no reservation existing on your given name.
assistant
That's ok, thank you for checking.
user
You are welcome, have a nice day.
assistant