Hello, Steven Roberts here.
Hello, how can I serve you?
I made a reservation earlier in a wrong date unknowingly so, I want to change my existing reservation. Can you help me to change it?
Sure, please wait a while let me check the reservation list and let you know the status.
Ok.
Sorry, we found that no reservation in your given name.
Ok, no problem. Thanks for your assistance.
Thank you for availing with us.