http://vocaroo.com/i/s04oA6h5FcoM

Здравствуйте - never say full form (like Zamir wrote), just {zdrastvuite} ( one letter don't read) or {zdras'te} (often used, but not good for academic speach). For friends and well known people (similar level with u or less) {Privet}- is ok.

You can also use site: www.forvo.com , there are words voiced by native speakers  

You can consult Google Translate, they have voice there https://translate.google.com/#ru/fr/%D0%B7%D0%B4%D1%80%D0%B0%D0%B2%D1%81%D1%82%D0%B2%D1%83%D0%B9%D1%82%D0%B5

Здравствуйте - Zdravstvuite

Спасибо - Spasibo