Hello.
Hello,. How may I assist you?
I made a reservation earlier with a wrong date so, I want to change my recent reservation. Can you assist me with that?
 May I know your good name? Sure, I am here to help you.
Sure, Steven Walker is my name.
Unfortunately there is no reservation found with your name.
That's Ok, no problem. Thanks for your kind response.
Thank you for availing us.