Back in Google I/O of 2018, Google announced a new feature called Duplex. In essence, Google Assistant would automatically call a restaurant for you - one that doesn't have an online reservation system - to speak to and listen to a human on the other end and confirming a slot for whatever time window you ask. It can also ask basic information about the business such as whether or not the business is open for a holiday or if the hours aren't listed on Google Maps. With this information from Duplex, it can dynamically keep business hours updated to the present day. Upon its...
Source: https://www.gsmarena.com/google_duplex_now_available_in_43_states_on_pixel_phones-news-35883.php
