There used to be one, many years ago that was featured at or behind a desk and she would talk about various subjects, although I’m not sure whether she would field individual questions from people.
The other one that comes to mind was also quite a while in our past. Not realistic by today’s standards but not bad to look at either.
Annanova
https://en.wikipedia.org/wiki/Ananova
Then there is this latest offering from China:
Qiu Hao and Xin Xiaomeng Can Talk Forever
https://interestingengineering.com/meet-the-worlds-first-female-ai-news-anchor