When I open my Moto G phone app, I don't like the app's display page. How can I show only the dial pad?

[AC Question]

When I open my Moto G phone app, I don't like the app's display page

How can I show only the phone dial pad on my telephone app's main display page. Please note that I am not talking about the Moto G's opening display--only what shows up when I open the telephone app.