unable to execute...plz help

[rithika854]

(base) C:\Users\seq2seq_chatbot_tensorflow-master>python chat.py models\cornell_movie_dialog\trained_model\best_weights_training.ckpt
Traceback (most recent call last):
File "chat.py", line 14, in
_, model_dir, hparams, checkpoint, _, _ = general_utils.initialize_session("chat")
File "C:\Users\seq2seq_chatbot_tensorflow-master\general_utils.py", line 67, in initialize_session
raise FileNotFoundError("The checkpoint file '{0}' was not found.".format(os.path.realpath(checkpoint_filepath)))
FileNotFoundError: The checkpoint file 'C:\Users\seq2seq_chatbot_tensorflow-master\models\cornell_movie_dialog\trained_model\best_weights_training.ckpt' was not found.

(base) C:\Users\seq2seq_chatbot_tensorflow-master>run train.py --datasetdir=datasets\dataset_name
'run' is not recognized as an internal or external command,
operable program or batch file.
I AM GETTING THIS ERROR AFTER RUNNING THE COMMAND IN ANACONDA PROMPT. I AM NEW TO PYTHON AND I AM NOT SURE OF HOW TO EXECUTE THE PROJECT. DO I HAVE TO DOWNLOAD THE DATASET FIRST ,IF SO WHERE SHOULD I PLACE IT?? AND HOW SHOULD I RUN THE PROJECT THEREAFTER....PLZZ HELP!!