Flash Q, then W your ally and reactivate Q. E mid air then place your R quickly and AA.
For more style points Q then Flash to get in range to W your ally, reactivate Q then E mid air and AA.
At level 6 all in with Q then instantly R. Wait for your target to be pulled closer then E them towards you.
Walk forward and right before you get into E range use your W towards an ally. Then E Q instantly followed by your R AA.
Flash R instantly then E Q and toss your W to an ally behind, then AA.
Flash and instantly E your target towards you, Q then AA.
The other way to all in is by using Q and waiting for your target to get closer. Then E them towards you and AA.
When possible walk up and lead with E then AA Q instantly, hit Q again to AA right after.
To trade normally AA then instantly E AA.
To all in your target Q then instantly Q again, E your target towards you mid air, followed by an AA when you land.