If you need to speak to a live person at Korean Air, the best way to do so is to call their customer service number. The number is 1-800-438-5000, and you can reach a customer service representative 24 hours a day, 7 days a week.
When you call, be sure to have your booking information ready so that the customer service representative can help you as quickly as possible. They will be able to answer any questions you have about your flight, and help you make any changes that you need to.
If you are calling about an existing flight, the customer service representative will be able to check on the status of your flight and let you know if there are any changes. They can also help you with any other questions or concerns you may have.
If you need to book a new flight, the customer service representative can help you with that as well. They will be able to find a flight that meets your needs and get you booked.