Hello, Charles Baker here.
user
Hello, how can I assist you today?
assistant
I want to change my existing reservation, due to my seminar has been postponed. Can you help me with that?
user
Sure, I am happy to help you. Please wait fora while.
assistant
Sure.
user
Thank you for your patience, There was no reservation found on your name.
assistant
Ok, no problem, thanks for your assistance.
user
Thank you for choosing us.
assistant