What they will ask you on the phone is: Do you have your DS2019 form? Say yes to this, they will then ask: Can you tell me what is in section C? Your arrival dates and leaving dates are in section C, eg: in my section C, it said: 11th June 2006 - 1st September 2006 Thats all the information they need regarding your DS2019 form! its just your passport number and stuff then... Hope that helps! Craig.