Hi,.
user
Hello, how can I help you?
assistant
I need to change my recent existing reservation due to postpone of my document verification in office. Can you please help me in changing my reservation?
user
Sure, may I know your name to check the database and revert you.
assistant
My name is Raymond Phillips.
user
We could not find any reservation by this name in the reservation list.
assistant
No problem, thank you.
user
Thank you for picking us.
assistant