The following links can help you further on Composer.
Bot Framework Composer
https://www.youtube.com/watch?v=Aiv95e2-Yn0

Bot Framework Composer – Build a Weather Bot
https://www.youtube.com/watch?v=ZNcfIgO8biw

The Bot Framework Composer tutorials
https://github.com/microsoft/BotFramework-Composer/blob/stable/docs/tutorial/tutorial-introduction.md