I have much better dialogue engines now and I'm not updating this. Check the others out:
For GMS1.4: https://marketplace.yoyogames.com/assets/6069/text-box-maker-pro
And for GMS2: https://marketplace.yoyogames.com/assets/6657/dialogue-engine-text-boxes
This dialog maker helps to do dialogue for your games. It's very easy to use, but you can still modify it to your own style.
Easy to use.
It works with views
End User Licence Agreement (EULA).