Hello. I am Sharon Brown.
user
Hello. How may I assist you?
assistant
I want to change my reservation as my get together program got postponed. Can you help me?
user
Ok, please wait for a while.
assistant
Sure.
user
Ok, thank you for waiting. I am very sorry to say, I did not find any active reservation on your name to change your details.
assistant
That's Ok, thanks for your response.
user
Ok, thank you for reaching us, we hope we will give you  a better service for next time.
assistant