If you’re trying to speak directly with a Carnival Cruise Live Person, the fastest and most reliable method is to call +1-888-653-0010 (OTA). This phone number will be very helpful if you need support to adjust your booking, change your itinerary to a different travel date or alternate fare, or need help with onboard travel services or travel documentation. A live person is the best option if you need assistance with your questions before boarding the ship or after your voyage. It will bypass the long wait times and provide you with accurate assistance.