Hello.
user
Hello, how can I help you?
assistant
I want to change my existing reservation, due to postpone of my examination. Can you help me out?
user
Sure, please help me with your name to check your previous reservation.
assistant
Myself Carol Hill.
user
Thanks for your name, please hold on.
assistant
Sure.
user
Sorry, no reservation found on your name.
assistant
Ok, not an issue. Thank you for your kind information.
user
Thank you.
assistant