“who’s above that level that doesn’t daven for anything?”
-Not possible. The higher level a person is on, the more they realize that everything is from Hashem and the more they realize that tefila is needed for every single tiny, minute, thing in life. So if someone isn’t davening for anything they are not ‘above’ a level. The thing that does change is that they will be davening for different things. For example, you may daven that your parents buy you the newest ipod while they will be davening to feel the shechina more on shabbos.
“i know so why doesnt He answer our tefillos sometimes?”
-We were taught that Moshe davened 550 tefillos (i think that was the number) to be allowed into eretz yisroel, and Hashem still said no. But we learned that Moshe knew that if he would’ve davened just one more tefilla, Hashem would’ve let. So apparently tefilla can convince Hashem to give us things, even if they are bad for us!
Hashem created you because he loves you and he wants to give good to you. If Hashem isn’t giving you what you want, it’s one of two things. Either it’s because Hashem wants you do daven harder or it’s because it’s bad for you. The last thing you want is for Hashem to give you something that’s bad for you, so when I daven for something that I really want I tell Hashem, ‘I really want this but if it’s bad for me, please help me understand why’. Sometimes it takes longer than I want for me to see a good reason why things didn’t work out how I asked, but if I continue davening, eventually I do understand. The most important thing is to know that whether or not you get it, it’s because Hashem decided, and make sure that you never stop davening for everything.