What traditional industries can voice artificial intelligence be applied to?

The current development of artificial intelligence in the voice field can be described as a new level.

For example, Xiao Bing of Microsoft can talk tirelessly with users. Although her wisdom is far behind that of human beings, it is hard to deny that Xiao Bing and similar intelligent assistant programs have demonstrated their initial ability to communicate with human beings.

So my answer is: customer service industry.