Unable to find abandoned quests

Time: N/A
Frequency: N/A
World name: Cerberus
Character name: Kiri Ultima
NPC name: Urianger
Class/Level: Black Mage 60
Party or solo: Solo
In-game time: N/A
Area and coordinates: The waking sands
Steps:
1. Accepted quests 'Whorl of a time' and 'The king lives'
2.Complete steps for quest up until required to use Duty Finder to access and complete corresponding extreme Trials
3. Abandoned both quests before complete
4. Unable to re-acquire quests as NPC no longer has them