Hello, I am Dennis Young.
user
Hello, how can I assist you?
assistant
I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Will you help me?
user
Sure, wait for a moment.
assistant
Sure.
user
Thanks for waiting, sorry to say that, no reservation was found with your good name.
assistant
No issues, thanks for your prompt response.
user
Thank you for opting us.
assistant