You could just say it like it's said in English, and hope that whoever listens can pronounce it correct.
If you'd really want a Finnish version of the name, then Matt would be Matti.
Finnish
For you is sinulle in Finnish.
How is miten in Finnish.
I am not Finnish. - (Minä) en ole suomalainen.
Finnish legend in Finnish is "suomalainen legenda".
¿Qué tal, señorita Sharpe? ¡Hola, señorita Sharpe!
Daughter is tytär in Finnish.
Boring is tylsä in Finnish.
Yes is "kyllä" in Finnish.
Black is musta in Finnish.
In the beginning is alussa in Finnish.
Pie is piirakka in Finnish.