You absolutely can! Here's how:
Step 1: Click Create New Itinerary
Step 2: Click New From Template
Step 3: Type in Your Trip until the dropdown labeled Itinerary Template with Overview page left-aligned appears. Click on this, and then click Next.
After you have finished creating your itinerary, your Overview (also sometimes called Travel Brief) page will be left-aligned.
It will look something like this:
Have fun creating beautiful content! 🙌