i don't know how to get the return value frm msgbox, can u guys help me?

here is my code:

sDate1 = InputBox("What is the START date?(dd/mm/yy)")
sDate2 = InputBox("What is the END date?(dd/mm/yy)")

MsgBox "Date from" & " " & sDate1 & " to" & " " & sDate2 & ". Correct?", vbOKCancel + vbQuestion, "Weekly / Monthly Report"

How i know wether the user is click on OK or Cancel??

thanks.