OKAY WHAT I AM I TO EXPECT ONCE I ARRIVE TO THE COURT.? I HAVE RECEIVED A NOTICE SAYING THAT I DIDNT RESPOND?

OKAY WHAT I AM I TO EXPECT ONCE I ARRIVE TO THE COURT.? I HAVE RECEIVED A NOTICE SAYING THAT I DIDNT RESPOND TO THE JUROR SUMMONS.. I CALLED AND I TALK TO SOME ONE AND I WAS TOLD JUST TO FOLLOW THJE INSTRUCTION ON THE LETTER. AND I EMAILED THEM AS WELL...BASEICALLY WHAT IM TRYING TO SAY IS THAT IF CLUELESS,IM ONLY 19YRS OF AGE.I HAVE NEVER HEARD ABOUT A JUROR.,ETC CAN SOMEONE GIVE ME SOME DETAILS THIS IS MY FIRST TIME HAVING TO DO SO.I NEED SOME DETAILS.