Please I need your help about my DS156 application form

[godlittleson]

Please I am a university student and I have received acceptance for a 4-day seminar in USA.Please I would to know the answer I have to provide for the question number 25 of the DS 156 form. Since I will not be staying with any person, the organizers of the seminar will provide me with a hotel accomodation.
Please the question is
25. Name and Telephone Numbers of Person in U.S. Who You Will Be Staying With or Visiting for Tourism or Business

Please what should write at the name column of this question number 25?
Thank you and hoping to hear from you soon.