Hello.
user
Hello, how can I aid you today?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, I am here to aid you.
assistant
Thank you.
user
May I know your name please?
assistant
David Hall here.
user
Thanks for your name, please wait.
assistant
Ok.
user
Thank you for waiting, no reservation was found on your name to change.
assistant
That's ok, no problem.
user
Thank you for choosing us.
assistant
Thank you.
user