The current research is extending the Asynchronous Dialogue System framework (ADS framework) – a software system that we implemented previously. The ADS framework is a collection of reusable components. This framework can be used in developing text-based natural language dialogue systems. The framework is currently tailored for Estonian language, yet it can be used for English language as most of the components are language independent. The goal of our current research was to explore the adaptability issues in dialogue systems. Mainly, we were looking how to adjust the response from the system to the user's style, in order to provide better interactions with the users. To achieve this goal we needed to implement two additional components for the ADS framework. In text-based human-computer conversations on the internet, the user input is a written request to the dialogue system in a natural language and the output of the system is an answer to the user in the same language. We implemented two additional components for the ADS framework that would analyze the style of the user input and adjust the output of the system accordingly.