woocommer question for pro's

Hello!
I want to sell virtual services, such as facebook likes, and in order to complete my job for the potential costumers, i will need to make them write me their facebook profile links.
More detailed, I need to know how to insert a text part or something where the clients, before purchasing the service, should add content like their fan page links so that i will see every details that i need and then proceede on buying the service.

Please explain me if i need a plugin or a shortcode or something in a detailed matter because it is very important for me to know.

Thank you for your time and I really appreciate your help!

https://wordpress.org/plugins/woocommerce/

This is an example of what i would like the product page to look like if it’s possible
http://www.buy-cheap-likes.com/store/#!/~/product/category=7103436&id=30218842 (this is not my site)