bring all data of customers from sheet to another

hello
here i have this code works very well it brings specific customer and specific dates b1= dropdown choose customer and b2 from date b3 = to date first of all i would choose from b1 = all without choose dates then brings all customers to in sheet2 as i put expected result into sheet2 the second when i choose from dropdown all an specify dates so it gives me customers which are existed into two dates then copy to sheet2 the third when i choose from b1 the customer without specify dates so it copy all of process relatin customer to sheet2
note: it should when i choose from b1 show the result in sheet account before copy to sheet2

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thanks advance

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hi, alansidmen i know that but i write in my comment my file is big size about 1.46 mg that 's why i attached link i try reduce the data to become smaller the file so edited my thread