Hello.
user
Hello. How can I help you?
assistant
I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you please help me with this?
user
May I know your name please?
assistant
Sure, I am Mary Taylor.
user
Sorry to say, there is no reservation on your name in our database.
assistant
Ok, Thank you for your service.
user
Thank you for opting us.
assistant