Processing payment transactions using artificial intelligence messaging services — USPTO — “One or more embodiments use natural language processing to analyze messages from the user to the messaging bot, and from the messaging bot to the user, to identify a product and a request to purchase the identified product. Based on the identified product and the request to purchase the product, one or more embodiments initiate a payment transaction on behalf of the user based on a natural language conversation and without redirecting the user away from the communications session.”