You can use weekend pricing to set your prices for every Friday night to Sunday night.
Set weekend pricing
To set your nightly price for Fridays, Saturdays and Sundays:
Go to Listing on Dashare.com Select the listing you want to edit then click Preview
Click Back to Edit on the top right corner
Look for Weekend pricing in step 3 and enter your nightly price
Something to know about weekend pricing:
Pending and accepted booking are not affected by pricing changes, since your guest has already submitted their payment information.