Hello, I am Justin Roberts.
user
Hello, how may I aid you at this moment?
assistant
As my manager did not approve my leave, I would like to change my recent reservation.
user
Sure, I will help you. Please send your travelling dates.
assistant
First check the ticket with my name.
user
Ok, please wait for a while.
assistant
Sure, take your time.
user
Sorry Roberts, there is no reservation 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