This is a reduced version of the Cornell Movie Dialog Corpus by Cristian Danescu-Niculescu-Mizil.
The original dataset contains 220,579 conversational exchanges between 10,292 pairs of movie characters, involving 9,035 characters from 617 movies for a total 304,713 utterances.
This reduced version of the dataset contains only the character tags and utterances from the movie_lines.txt file, with one utterance per line, suitable for training… See the full description on the dataset page:
https://huggingface.co/datasets/mylesmharrison/cornell-movie-dialog.