Sao Feng quest

[pwnz]

:gday

Im following the walkthrough and this is what I came up to, it says:
Sail to Puerto Rico – transported to Beach – meet with Masked Men – QB Update - go to San Juan – talk to Padre Domingues. Asks you to escort ship Montanez from Cuba to San Juan – QB Update
SAVE HERE
All that I did.
Now, when it says:
Sail to Cuba – on Land Ho transported to Ship Deck – talk to self Choose

1) Raise Battle flag

2) Raise Spanish Flag

But nothing happens

EDIT: I have found my mistake, all is okay now.