Yes, the cocktail party will be from 5:00-5:45 at the Teachout Building.
There are many parking ramps around the East Village and free parking if you find a spot on the road. If you say at the Embassy Suites then you are just a quick walk away from the reception.
No, unfortunately Dave cannot come to the ceremony or the party. He would take attention off of the bride and groom so he is being asked to stay at home.