Hello, I am Mark Adams.
user
Hello, how may I help you?
assistant
As my manager did not approve my leave, I would like to change my recent existing reservation.
user
Surely, I will help you. Can I have a moment please?
assistant
Sure, take your time.
user
Sorry, there is no ticket existing on your name.
assistant
That's ok, thank you for checking.
user
You are welcome. Thank you for reaching us, have a nice day.
assistant
Welcome.
user