Google's new UI for setting up Assistant renames current privacy feature as "Forget me"1
Now let's talk security and privacy. Based on screenshots of the new UI, Google says that it sends a unique code to services you talk to. The search giant says that this is done to allow these services to remember your preferences. However, a feature called "Forget me" will allow Google Assistant users to reset the code for each service. This will make you appear as someone new next time you open the app. While "Forget me" is not yet live, you can still accomplish the same thing right now by going to the list of used actions and clicking on "reset app."
The revised setup UI has already been spotted on both the regular Google Assistant app (version 7.25) and the Google Assistant beta (version 7.26).