Question

I'd like to know if there is a web site where you can interact (e.g. chatting) with some other people to practice english

Answer 1

You can certainly do some written chatting here.

Answer 2

Hi, www.kidlink.org is open to kids of all ages. if you join you can participated in their Skype chats for kids. The kids speak Spanish, Swedish, Italian and English. The language they use to communicate is English. When you are completing your registration be sure to tell them you want to be in the Kidlink Skype chat.