Forecasting contact center calls for the next whole week in excel

Hello, I need something in excel where i have 3 column.. 1) date 2) Forecast calls 3) Actual received calls.

I need to forecast on friday for the next whole week based on previous data in Excel. I have tried using the 3 ways.. 1) =forecast.ets 2) Create forecast option in excel 3) Manualy identify trends.

I need someone who can help me find a way so that it csn automatically give me best forecast for the upcoming week.

It's a small thing hence I need it done soon.