Go to Orbtiz.com.
On the left side of the screen, as well as across the top, are different options and the tabs you can click to access those options. Click on the 'Hotel' tab.
You'll be taken to a screen where you need to enter the city and dates for your visit. Enter these fields as well as the number of guests and number of rooms you'll be needing.
For better results, scroll down to advanced options and enter specifications.
Press the 'Find' button. You'll be taken to a screen with a grid displaying hotels by star quality and geographical area. If you scroll further down, you'll see the list of hotels. You can choose to have them listed by Best Value, On Sale or lowest price.