Hello.
user
Hello. How can I help you today?
assistant
I would like to change my existing reservation due to postpone of my conference. Can you please help me?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
Sure, I am Angela Nelson.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
No worries, thank you for the information.
user
Thank you for reaching us.
assistant