Im going to the gym everyday..physical apperance/shape question...?

im about 5'7...130 pounds..nice body...just a little extra fat in my gut and sides...i start going to the gym tomorrow and i will be going atleast 2 times a week but starting june 20th i will be going everyday until september 5. will i see any changes? will it even be worth it? i wnat to make a flat tummy..is that enough time?!