You can ask Google Assistant to make a restaurant reservation over the phone for you in 43 states as of today, as Google is bringing its Duplex automated voice-calling tech to more Pixel phones. It was previously available to a small number of Pixel owners in a few cities.

from https://www.engadget.com/2019/03/06/google-duplex-voice-call-roll-out-us-restaurant-reservations/
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