American Express acquires AI travel assistant startup Mezi

American Express announced that it has acquired Mezi, the startup behind a human-assisted shopping and travel agent chatbot. 
Founded out of Sunnyvale, California in 2015, Mezi launched a personal travel assistant that improves the more you use it. It can automatically check you in at the airport or reschedule flights, request vegetarian meals on the plane, and arrange associated travel services, such as car rentals and restaurant reservations.
While some elements of the service a