By Humeyra Pamuk, Jana Choukeir, Ahmed Tolba and Steve Holland ZURICH/DUBAI/WASHINGTON, June 20 (Reuters) - A high-level Iranian team departed for Switzerland on Saturday for talks with the United States, Iranian state media reported, while U.S. Vice President JD Vance indicated he would set off soon for meetings that Pakistan said will begin on Sunday. The Iranian delegation was led by chief negotiator Mohammad Baqer Qalibaf and included Foreign Minister Abbas Araqchi as well as senior security, central bank and oil officials, Iranian media said.