There are other ways to have conversation skills, which might work for you as well.
italki (other online teaching portals are available) - has both teachers and tutors and both native and non-native speakers
https://www.tandemexchange.com/ - individuals looking for practice sessions.
In both cases, you have to be clear about what you want to talk about (and possibly prepare before hand). But they give you more flexibility and are, often, much cheaper. GI is great but somewhat regimented.