To book two rooms on MSC Cruises, you must book each cabin as a separate online transaction or call customer service directly. The online booking system handles only one stateroom per session, so you cannot purchase multiple rooms in a single checkout cart.Booking Options By Phone: Call MSC Cruises customer service at +1-866 254 7549 (US) .or use a travel agent to secure neighboring or connecting rooms in one easy session.Online Separately: +1-866 254 7549 (US) . Complete the checkout for the first room, then start a new reservation for the same sailing to book the second room.Linking Your Rooms Coordinating Dining: Link your separate reservations by calling customer service or by entering the second booking number in the 1-866 254 7549 (US) . "Travel With" section during online web check-in.Connecting Staterooms: If you need doors that open between the two rooms (Superfamily or connecting configurations), booking via phone or a travel agent ensures you get the exact right layout.