Events + Paid Event With Marketpress Checkout

When checking out for a paid event I am given the option to select a QTY from the cart page. Is there any way if the user selects a qty greater than 1 to have a text box appear so we can capture the names of the other people that will be attending the event? We will also need to make sure these names will export into the spreadsheet when exporting the roster for the event.

I have attached a screen shot of the current option as well as a mock up for what I want the page to look like with the text fields (this is not set in stone if you have a better solution).

Thanks,
William