My surname is Cao. What did Cao say next?

The next sentence "My surname is Cao, what Cao" is "Cao who cooks wine and talks about heroes". This is usually a humorous or boastful way of self-introduction to show personal characteristics or historical background.

Please note that this kind of dialogue is colloquial and can be adjusted according to the occasion and context. If it is on a formal occasion, it is recommended to use a more formal and professional way of self-introduction.