Hi You can use Sales By Customer Detail Report.

From Left Navigation Bar select Reports - All Reports -  Sales By Customer Detail Report - Select the period you need and Select Cash Basis Accounting Method ( i.e Sales based on cash basis ) - From Top Right select Customize & / OR select Top Gear Icon for Settings- Select your preferences such as Crew # etc.

Also you have the option to Save your Customized Report for future use. 

Note. If you entered Credit Memo for Sales Return, Refunds, etc this will be included in your Report assuming you have selected Transaction Type - All under Customization.

Attached screen shot for sample report.

If you need more details comment back.