Great question - RMA to DXB just means Roma Airport to Dubai Intl Airport. Now you’ll know what these unique codes when you look for flights! Tel Aviv Ben Gurion Intl Airport (TLV), Doha Hamad Intl Airport (DOH), Jeddah King Abdulaziz Intl Airport (JED), Beirut Airport (BEY), Abu Dhabi Zayed Intl Airport (AUH) are some additional IATA codes for airports related to your trip.