Hi, I am Brian Baker.
user
Hello Brian. How may I aid you?
assistant
I need to change my recent existing reservation due to some health problems. Could you please help me in doing that?
user
Sure, let me check.
assistant
Ok.
user
I am sorry to inform you that there are no reservations with your name.
assistant
No problem, thank you for your valuable information.
user
Thank you, have a good day ahead.
assistant