• Narrenschlag's DialogueZ asset for Unity provides an extremly 
  simple to understand and to setup Dialogue system that gives you
  the options to create complexe dialogue trees even as complete
  beginner with absolutly 0 understanding of code!
• This asset comes with
  > 4 different premade styles as prefabs
  > DEMO scene
  > A premade database
  > A scaling system for things like title, message and follow boxes
  > DOCUMENTATION with tutorials!

Features

• Database
• Database Import/Export
  • Export: database -> .txt
  • Import:  .txt -> database
• Auto Save system for Import/Export
• Easy to use Editor
• Sort Options

• User Interace
  • Easy to setup custom styles
  • Sample styles
• Typing 
  • with custom speed
• Auto Caplslock Support
• Auto Scaler for components

• Complexity
• Dialogue tree for complexe dialogues
• Event system with integrated message commands
• Choice system with integrated requirement support

• Extras
• Multiple Database System 
• Use different database for every character

Some execution samples:

Database Editor Showcase:

No further support as I do no longer use the Unity Engine.

Note: If you own the legacy version of this asset, you can dm me and I give you the new version for free when you show me the purchase.