After you check in with Fufulupa's colleague Totoruna, Nunuzofu asks you to deliver a message to Crescent Cove.
This quest is only available if you started the game in Ul'dah, and you have completed the quest Following Footfalls.
Starting the Quest
Talk to Nunuzofu west of Horizon in Western Thanalan to start the quest.
Speak with Raffe
Go west and then south to reach Crescent Cove. Talk to Raffe to complete the quest.
Next Main Scenario Quest
After completing the quest, you will need to be at least level 14 to proceed to the next quest. After you reach level 14, talk to Merilda in Crescent Cove in Western Thanalan to accept the next quest: Oh Captain, My Captain.