Find the quote under the Quote tab and for quotes you have generated, select Agent Quotes. Customer quotes and dropped quotes can also be found under the corresponding buttons. Click on the ID number to open the quote. 

To edit the quote, click on the middle Edit Quote tab. Here you can change any of the existing details or add more details if needed.  

If you change the pick up, drop off or car details, in the pricing information section, hit the Suggest Rate button at re-calculate the quote. 

To finalize, click on the Update Quote button