Paris: Private Tours
Try to contact one of these agencies then : http://www.private-tours-paris.com/ http://www.pariscitytours.org https://www.unique-paris.com/index.php C heers !
Paris: Where is the best area to stay?
Personally, I prefer the area of 7th arrondissement
Paris: Local people
If you look for a tour guide then this site has something for you : https://www.paris-tours-guides.com/ If you want to enjoy a free tours in Paris, there are many choices too : https://www.freetour.com/paris Hope it helps
Thailand: Thailand + Myanmar? Or Cambodia? 3 weeks
For low budget, it is better to combine Thailandand Cambodia since Myanmar is an expensive country.