ISLAMABAD/NEW YORK (Online) - President Asif Ali Zardari on Tuesday left for US to attend the interfaith conference scheduled to be held on November 12 to 13 under the aegis of United Nations in New York. He would address the conference on November 13. The high-level session is being held at the initiative of the custodian of the two holy mosques King Abdullah bin Abdul-Aziz Al Saud of Saudi Arabia. He has been in the forefront of all efforts for promoting the cause of the global peace and harmony. It is expected that President Zardari would meet world leaders today (Wednesday), however, no formal meeting with any leader could be confirmed so far. Diplomatic sources informed Online that efforts are underway to set time for meeting between President Zardari and US President George W Bush before Friday night. When contacted Spokesman Pakistan embassy in Washington about Zardari's meeting with US President-elect Barack Obama he said that he had no information whether or not meeting would take place. On the other hand, talks between President Zardari and Saudi Arabia King Shah Abdullah on the sidelines of interfaith conference could not be confirmed so far. The world leaders started to attend interfaith conference would leave for Washington soon after conclusion of conference where they would attend global economic summit of G-20 due to which authorities in foreign office is facing difficult to take time for Zardari's meeting with them. PIA Hotel Roosevelt has been selected as media centre where fax machines and computers have also been installed. Meanwhile, the banquet hosted by United States General Secretary in the honour of world leaders has also been cancelled.