Hello.
user
Hello, how may I render you today?
assistant
I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you help me?
user
Sure, I am here to help you. Please provide me your name  to check the list.
assistant
Larry Williams here.
user
Ok, please wait for a minute.
assistant
Sure.
user
Thanks for waiting, there is no active reservation found on your name.
assistant
No problem, Thank you.
user
Thank you for reaching us.
assistant