"how do you print only what Dan and Gregg did at Brians house in order to send the hours to Brian"

You Filter reports. Customize, top left, then Filters tab.

Remember you can use Time y Job by Name by Item, Time by Name by Job by Item, etc. Once you start with the perspective you want, you Customize and Filter. Filter on Customer:Job = pick one; or on Multiple = checkmark as many that apply.