Get total quantity and price from given dates

Hello guys I would like to ask how could I get the total quantity and total price of sales with this format of date. I was have this data in my database.

ID    Quantity    Price    Date
1       10          100          June 27,2016
2       12          120          June 28,2016
3      15          150          June 29,2016

I only getting one data with the first one row of 1 only. I have this query.

$query= $this->db->select('SUM(total_price) as overall_price, SUM(quantity) as total_quantity')->from('sales')
        ->where('branch',$_SESSION['branch'])->where('date_sold >=',date('F d,Y',strtotime($from)))->where('date_sold <=',date('F d,Y',strtotime($to)))->get();

How could I also get all the records from specific range of date for example from June 27 to June 29 ? I only got 1 record

$query= $this->db->select('*')->from('sales')->where('branch',$_SESSION['branch'])->where('date_sold    >=',$from)->where('date_sold <=',$to)->get();