how to communicate with the ATC

how to communicate with the ATC? suppose if i want to take off from an airport and land at the same airport, how to make the ATC give instructions for landing( heading, altitude etc).
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so how do you get the airplane to know where you are going with IFR? Can somebody help a hopeless newbie??
I figured out how to do the flight planner, but I cannot figure out how to get the airplane to control itself without setting the autopilot and changing the heading when the ATC tells me to. Isn't there a way to let the airplane do everything itself and have it land? can somebody help me do it??
To fly an IFR flightplan, you need to specify it as IFR in the flightplanner. You need to learn how to navigate to know where you are going.
And no, you're not a 'hopeless newbie'. We were all asking the same questions at one point
Once you have filed an IFR flightplan, get on the radio to get started, they will tell you what to do