ankara u.s. president donald trump turkey tayyip erdogan speak saturday agree continue work toward strong tie regional security erdogan office say day lash u.s. authorities indict one ex-ministers tie unite state nato ally strain washington support ypg kurdish fighters battle islamic state syria turkey consider ypg terrorist group ankara also frustrate see washington reluctance extradite muslim cleric fethullah gulen turkey blame gulen live pennsylvania since 1999 last year fail coup note strategic partnership turkey unite state two leaders emphasize importance continue work together strengthen bilateral relations increase stability region turkish presidency say statement two leaders agree meet new york unite state general assembly schedule month call notable time come day erdogan describe u.s. prosecutor indictment turkey former economy minister politically motivate tantamount attack ankara former minister zafer caglayan ex-head state-owned turkish bank charge week conspire violate iran sanction illegally move hundreds millions dollars u.s. financial system tehran behalf indictment mark first time ex-government member close tie erdogan charge on-going u.s. investigation strain tie two countries moment impossible evaluate within legal logic tell reporters friday see step former economy minister step turkish republic also call washington re-think charge hope get chance discuss issue unite state may big nation nation something else nation require legal system work fairly amid tension trump turkey 's erdogan agree strengthen tie