| Case | Chatbot type | Use AI technology | Characteristics |
|---|---|---|---|
| 1-800-flowers | Machine learning-based | Natural language processing | Purchase the desired product through the chatbot |
| PVR Cinemas | Machine learning-based | Natural language processing | Providing quick movie reservation service |
| Sephora | Machine learning-based chatbot | Natural language processing | Product recommendation for each customer |
| Vainu | Scenario-based conversation | Context-aware computing | Collecting customer leads and performing marketing functions |