Saw strange UFO

Well tonight i was just chilling out side my friends house...
I looked up in the sky. I saw an air plane and a moving light next to it...
This light went north of brampton then totally change directing and started going east of town...
I come here and always read but never thought it would happen to me...

REEEAAALLLLLLLY >>> ?????

How fast was it moving?
When it changed direction did it seem to bank or move in 90 degree angles.

MORE DESCRIPTION !!!!!

sorry about detail...i did that when i got home and was tired...
But yea it moved in a 90degree angle very quickly, My buddy actually said
it looked like two things revolving around each other...
The first time i saw it i looked to my friend i lkooked up and couldnt find but then i saw it again in a total diffrent spot and then that's when every one saw it..
very very high...
Which isnt normal...cause in are area planes are always low...