Hi there :)
みなさん、こんにちは。
Thank you for having a good time with me.
いつも、ありがとうございます。
I have to announce that I will change my lesson fee from 3rd of October. 
１０月３日から、レッスンのポイントを　かえますから、お知らせします。

30 mins  800P
(ノルウェーのレッスンはそのままです）
50 mins  1200P
60 mins  1500P
60 mins  couple lesson 2000P

I'm so sorry about this.
I will continue to learn for teaching you.
I'm really enjoying our lesson. I hope you like it, too.
If you have any questions, just send me a message!
See you soon♪