You can also use the intents_en.json file to train it in english.
Install the required packages with pip install -r requirements.txt
In the intents.json file you can find all the things it can randomly pick based on the given input. If you modify the file you have to train it again. You can do this by running the training.py file. After that run the main.py file and you can use it normally.
Run the main.py file to start it.