Hi. I am Katherine Taylor.
user
Hello, how may  I assist you today?
assistant
I made a reservation earlier in the wrong date unknowingly, so I want to change my existing reservation. Can you please help me out?
user
Sure, we are here to help you. Please wait a moment.
assistant
Ok.
user
Thanks for your time, sorry, no reservation found with provided name.
assistant
No issues, thank you for your information.
user
Thank you for approaching us.
assistant