Visitor Visa - B2

I need a persuasive answer please for the reason of rejection in my interview..

Officer: where will you stay in the US?

Me: 5 days in New York, 5 days in Washington and finally 5 days in Florida.

Officer: vacations?

Me: Yes

Officer: your parents will fund this trip, right?

Me: Yes

Officer: Do you have family in US?

Me: No

Officer: Do you have friends in US?

Me: Yes one friend in Pennsylvania

Officer; will you visit them?

Me: I'm not sure because Pennsylvania is far from New York by several hours.

Officer: Have you traveled abroad before?

Me: No

Officer: Are you student?

Me: Yes in pharmacy

Officer: which year?

Me: I've just finished my third year.

Officer: sorry you are ineligible for the visa u can reapply later

Me: Ok