You Can Check my portifilo first then read the following ....
I'm very interested in your project, I have skills and experience to do it in perfect way as I have wide experience in my field on real life working.
As I'm new as freelancer so no feedbacks yet on my profile, so I have an offer for you:
1_ I'll make free sample for you to examine my skills yourself before make a contract, if you like my work we will proceed our project, if you don't like it you can leave with smile.
2_ When we start working, you can ask any modification you ever need without adding extra hours for our weekly limited hours.
3_ you can ask any modification on project after finishing project, that I'll be available all the time