Hello.
user
Hello. How can I assist you at this moment?
assistant
I want to do some changes in my existing reservation, can you help me for that?
user
Sure, I am gleeful to help you with that. May I know your name please?
assistant
My name is Michael White.
user
Please wait for a while, let me check your previous reservation status.
assistant
Sure, I will wait for your response.
user
Thank you for waiting, but I am sorry to tell you that, there is no active reservation found with your name in our reservation list to change it.
assistant
That's ok, thank you for checking.
user
Most welcome, thank you for reaching us. Have a great day.
assistant
Welcome.
user