Hello.
user
Hello, how can I help you today?
assistant
Can you please be my helping hand to change my existing reservation?
user
Sure, I am glad to help you. May I know your name please?
assistant
Thank you, James Rodriguez is my name.
user
Ok, please wait for a minute.
assistant
Sure.
user
Sorry to say that, no reservation was found on your name to change.
assistant
Ok, thanks for your service.
user
Thank you for choosing us.
assistant