Hello, I am Stephen Campbell.
user
Hello, how could I assist you today?
assistant
As my manager did not approve my leave, I would like to change my recent reservation. Can you help me out?
user
Please wait for a while.
assistant
Sure, take your time.
user
There is no reservation found with your given name in our data.
assistant
That's ok, thank you for checking.
user
Thank you for availing us.
assistant
Welcome.
user