Hello. I am Susan King.
Hello. How can I help you today?
I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you please help me in that?
Ok, please wait I will check and revert you in a moment.
Ok, I will wait.
 Sorry to inform you that no reservation was found on your name.
Ok, no problem. Thank you.
 Thank you for availing us.