Create an example of a data set that might be used in an AI assistant.

Here is an example of a data set that might be used in an AI assistant:

```
user_data = {
    "name": "Alice Smith",
    "location": "New York, NY",
    "email": "alice.smith@email.com",
    "calendar": [
        {
            "date": "2021-06-01",
            "events": [
                {
                    "name": "Doctor's appointment",
                    "location": "123 Main St, New York, NY",
                    "time": "9:00 AM"
                },
                {
                    "name": "Lunch with Jane",
                    "location": "Central Park, New York, NY",
                    "time": "12:00 PM"
                }
            ]
        },
        {
            "date": "2021-06-02",
            "events": [
                {
                    "name": "Meeting with Bob",
                    "location": "99 5th Ave, New York, NY",
                    "time": "2:00 PM"
                }
            ]
        }
    ],
    "reminders": [
        {
            "text": "Buy milk",
            "date": "2021-06-02",
            "time": "8:00 AM"
        }
    ],
    "preferences": {
        "weather_location": "New York, NY",
        "news_sources": ["New York Times", "CNN"],
        "music_genre": "Jazz"
    }
}
```
This data set includes the user's personal information, calendar events, reminders, and preferences. The AI assistant could use this data to help the user manage their schedule, remember important tasks, and provide personalized recommendations.