Cruise News Briefing - May 18, 2021. In an exclusive interview with NBC Nightly News’ Lester Holt, Carnival Cruise Line President Christine Duffy says that the line is in discussions with the CDC again, and is still planning for a July restart. Norwegian Cruise Line’s upcoming ship Norwegian Prima opened for bookings last week, and set a cruise line record for bookings on its first day and week of sales. U.S.-based river cruise line American Queen Steamboat Company is seeking to hire over 200 officers and crew members.