pip install chatterbot==0.8.6
pip install pyttsx3
pip install speechrecognition
https://realpython.com/python-speech-recognition/
Facing installation problems while installing pyaudio?? using the wheel file may be helpful in such cases. You may download the wheel file at: https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyaudio Once downloaded, change the current working directory to the location where the wheel file is available and then install as given below: pip install COMPLETE_NAME_OF_THE_WHEEL_FILE (or) If your system supports, these commands may be helpful instead
pip install pipwin
pipwin install PyAudio