Hello.
user
Hello, how can I help you today?
assistant
I want to change my reservation as my trip to Oakland is postponed. Can you help me?
user
Sure, I am glad to help you. May I know your good name please?
assistant
My name is Virginia Harris.
user
Ok, please wait for a few minutes.
assistant
Sure.
user
Sorry to say that, no reservation was found on your name to change.
assistant
Ok, thank you for the information.
user
Thank you for choosing us.
assistant