adding sept training dates

training/training/osgusertraining.md

@@ -4,7 +4,10 @@
 
 All User Training sessions are offered from 2:30-4pm ET (and usually on Tuesdays). New User Training is offered monthly, generally on the first Tuesday of the month, and training on various additional topics happens on the third Tuesday of the month. It's best to already have an active account on an OSG Connect login node (or other access point that submits to the Open Science Pool) to follow along with hands-on examples, but anyone can listen in by registering.
 
-* Tuesday, August 2: New User Training, [Register here](https://docs.google.com/forms/d/e/1FAIpQLSdj3XT7I0SM4k9jBvST7YX5wsCH_er1HLA7VqRj9ICoEvf2GA/viewform)
+* Tuesday, September 6: New User Training, [Register here](https://docs.google.com/forms/d/e/1FAIpQLSdj3XT7I0SM4k9jBvST7YX5wsCH_er1HLA7VqRj9ICoEvf2GA/viewform)
+* Tuesday, September 20: Using Containerized Software on the Open Science Pool, [Register here](https://docs.google.com/forms/d/e/1FAIpQLSdj3XT7I0SM4k9jBvST7YX5wsCH_er1HLA7VqRj9ICoEvf2GA/viewform)
+* Tuesday, October: New User Training, [Register here](https://docs.google.com/forms/d/e/1FAIpQLSdj3XT7I0SM4k9jBvST7YX5wsCH_er1HLA7VqRj9ICoEvf2GA/viewform)
+* Tuesday, October 18: Learn About OSPool Jobs
 
 # Materials