Faisal, stay firm and Inshallah Allah will guide the righteous. My own brother wanted to marry a non Pakistani and my mother never agreed. He stayed firm for NINE years insisting that he would never marry anyone but her and she also did the same. After that my sister said to my mom, would you rather have a son stay single all his life or let him be happily married? She finally relented and now mashallah they have two beautiful children and my bhabi really takes care of my mom like a good daughter.
Both of you should keep talking and keep firm with the parents and if they see that your minds are set, they may change their minds..if not soon, eventually.
And one more thing. Please dont do anything in a rush. Juldi key kaam mein nuksaan ho saktha hai.
Both parties need to think carefully about what the implications of a court marriage etc are not do thing slowly.
May Allah help you in your pershaani. Ameen