Happening

I spoke with my friend on the skype.

I had a lot of fun.

After that, I was suppose to have an online English lesson, but my computer crashed .

So, I didn't get to take a lesson.

I was little down :(

I pull myself, I hope to take a lesson again soon.

I talked with my friend on the skype.

I had a lot of fun.

After that I had was supposed to be the an online English lesson.

However/But my computer crashed so I couldn't didn't receive a have the lesson.

I was a little down :(

I pulled myself together and I hope to have the lesson again soon.

ジャッキーのバージョン。

Today I had a lot of fun talking to my friend on Skype.
After that I had an online English class/lesson.

But because my computer crashed, I couldn't attend the class.

I was/felt a little down but I pulled myself together. I hope to have the lesson again soon.

よくできました。　もっと接続詞を使ってみてください！接続詞を適切にと、文章が自然になります。

Try searching "English conjunction words" for examples. :)