Everytime we get something like this , we just simply tell them "please speak english"
that's it. If he still doesnt get it we just let them rot here until he leaves and donate anything in his requests.
To the OP probably he is egyptian like me PM me if you need more information "ana asef bas hasabt ghlt m3 ana dafa3ft"
Means " I'm sorry I thought wrong although i have paid "