i WANT TO SET UP A CONDITIONAL STATEMENT RELATING TO TWO DATE FIELDS -

Here a some guide for you to know how to accomplish your scenario using conditional logics

http://www.jotform.com/help/57-Smart-Forms-Using-Conditional-Logic

http://www.jotform.com/help/196-Hide-or-Show-Multiple-Fields-at-Once

http://www.jotform.com/help/350-How-to-skip-pages-using-conditional-logic