Hello.
user
Hello, how may I serve you today?
assistant
I want to change my existing reservation due to postpone of my book publishing at Houston. Can you please help me?
user
Sure, I am here to help you with this. May I know your name please?
assistant
Sure, I am James Martin.
user
Ok, please wait for a mean while.
assistant
Sure.
user
Sorry to say, that there is no reservation found as per your name to change it in your database.
assistant
No worries, thank you for the information.
user
You are welcome.
assistant