You will receive confirmation within 24 hours. This is the closest option for the conference.
Continental breakfast is included.
First come, first served. Continental agents will work with each attendee individually to provide flights at a 5 to 10 percent discount. NWK and JFK are further than LGA is, but are roughly equidistant from Columbia. You basically can't go wrong with any of the three. The following books come highly recommended by fellow survivors.