Dear Tasha,
Thank you for your offer. I'm really sorry, but I have already found a language partner in Chiang Mai. I hope you can find a speaking partner on this website. You can also make new friends and speak English through another language exchange group:
https://www.google.co.uk/#q=language+exchange+chiang+rai
MY TIPS TO YOU:
Beyond chatting to a foreigner via this website, you can also perfect your English by using the following language websites & software:
Duolingo
Babbel
Rosetta Stone
For example, you can google "tips to improve english duolingo" and find out how you can improve. Duolingo is a good website to learn languages, and it's free!