Hello.
user
Hello, how could I aid you?
assistant
As my appointment with my doctor got postponed, can you help me to change my existing reservation?
user
Sure. May I know your name please?
assistant
Sure, my name is Joseph Lee.
user
Please hold on a moment, I will check and revert to you.
assistant
Sure.
user
Sorry to tell that there is no reservation found on your name.
assistant
That's ok, thank you.
user
Thank you.
assistant