Hello.
user
Hello, how may I aid you today?
assistant
I want to change my existing reservation, can you please help me?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your good name please?
assistant
My name is William Clark.
user
Please wait a minute.
assistant
Sure, I will wait for your response.
user
Sorry to inform you that there is no active reservation on your name to change.
assistant
That's ok, thank you for your information.
user
Thank you for opting us.
assistant