Introduction.

Hi,
To begin, I'd like to introduce myself. My name is Joanna and I'm 28 y.o. I work as an accountant at an insurance company. I live in Warsaw in central Poland.
I like my work, but I'm more of an artistic soul-maybe because my sign of the zodiac is Libra. When I have some free time I usually make beautiful cross-stitches, do makeups or read books (now in English of course:) ) I also like to watch TV series. For me, the best now is Under The Dome. I can't wait for the new season of Game Of Thrones, debuting on April 6, 2014.

Thanks and have a nice day.
Joanna

"At the beginning I want" is not wrong, but "To begin, I'd like" sounds nicer (in my opinion). "First, I'd like" would also work.

Titles of TV series are either italicized or underlined. Titles of specific episodes are put in quotes.

Otherwise, this was really well done! The mistakes were very minor.