"I am honored to join the distinguished delegation representing President Trump," Ivanka Trump wrote on Instagram.
Banks also said a rabbi on the flight home taught her numerology and offered to pay her for sex, which she "politetfully" declined.
The religious headwear is designed with over 3,500 sparkling Swarovski crystals.
Waves of threats against U.S. Jewish groups have been followed within hours by similar but smaller waves against Jewish organizations, mainly schools.
Khan said the Labour party’s failure to tackle anti-Jewish sentiment was “unacceptable."
The conference follows calls from a top European rabbi for armed security guards in Jewish communities.
Rabbi Menachem Margolin of the European Jewish Association wants a change in law to allow Jews to arm themselves.
One Jewish protection group with 3,000 volunteers say they are increasing community training.