Hello.
user
Hello.
assistant
Myself Raymond White.
user
How can I help you at this moment?
assistant
Due to changes in my plan to visit Oakland,  I need you to change by booking accordingly.
user
Ok, I am here to help you with that.
assistant
Thank you. Good to know that.
user
Please wait for a minute.
assistant
Sure, I will wait.
user
Sorry to say that, there is no reservation found on your name in our database.
assistant
That's ok, thank you for the efforts.
user
Thank you for consulting us.
assistant