shift pickup program

I am looking for a program that will automatically pick up available shifts at work for me. Currently, the software my company uses sends me an email and a text to let me know that someone has dropped a shift I am interested in. The problem is I don't always receive these in a timely manner and am unable to take advantage of them. I don't know if it is possible but I would like a program that keeps me logged in to the system and can automatically pick up the shifts that I desire as they become available. I don't know what software the current system uses or if it is even possible. The website is www.flica.net. Further details can be provided.