Hello,. I am Mary Gonzalez.
user
Hello, how may I assist you for the day?
assistant
I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you help me with that?
user
Sure, please wait for a moment.
assistant
Thank you, I will wait.
user
Sorry Mary, there is no reservation found on your name.
assistant
Ok, thanks for your kind information.
user
Thank you for contacting us.
assistant