Msc dissertation help

Hello,  I am looking for someone to help me to finish my dissertation of MSc in psychology,  The title is ; the effect on bilingualism in executive fonction and it’s is related to child.  I have failed it 2 times already and I need someone to help me to garantie at least a pass as it as is my last chance!  There is some feedback from the tutor to be helping.  The dissertation is already done but it need some work..  it is not an easy work so I really need someone who have the ability to help me.  please let me know if you will be available to help me on this,  Using that is in the uk format and there is some outsider data to work on it,  Thanks a lot