To speak with a Delta representative quickly, follow these steps:

1. **Call Delta's Customer Service**: Dial the phone number you mentioned, 804-853-9001. This is a direct line to Delta's customer service.

2. **Navigate the Phone Menu Efficiently**: When you call, listen carefully to the automated options. Select the option that best matches your reason for calling. For example, it might be "Reservations," "Flight Changes," or "Customer Support."

3. **Be Prepared with Information**: Have your flight details, confirmation number, or any other relevant information ready. This will help the representative assist you more quickly.

4. **Be Patient and Persistent**: Sometimes it can take a few minutes to get through to a representative, especially during busy times. If the line is busy or if you're on hold, remain patient and stay on the line.

5. **Consider Alternative Contact Methods**: If calling doesn't work or if you prefer another method, you can also try contacting Delta through their website or mobile app. They often have chat support or messaging options that can provide quick assistance.

Remember, the direct phone number you provided seems to be a valid Delta customer service line, but make sure to verify it on Delta's official website if you have any doubts.