Tars

Tars is my go to chatbot builder, it is easy to use if you want to build a basic chatbot but if you are looking for a more advanced chatbot you can integrate with any system with an API. There is already over 700 integrations.
The point of using dummy text for your paragraph is that it has a more-or-less normal distribution of letters. making it look like readable English.
Free Plan: 50 conversations a month | Paid: Starts at $499 USD for 500 conversations a month