It seems that your appearance and the timing of your arrival in Imloth Melui bears a striking resemblance to a dream Lady Vanyalos had the night before.
'Forgive me, ${CLASS}. This is exactly Lady Vanyalos's dream, as she told it to me: a ${RACE}, looking as you, coming up this road under a strangely darkened sky. The description fits exactly!
'Lady Vanyalos will want to speak with you, and at once! You can find her within her hall on the north-east rise. I do not pretend to understand how this can be, but she will certainly be filled with wonder at seeing her dream made flesh. What can this mean?'
Lady Vanyalos can be found in the great hall on the north-east rise of Imloth Melui.
Merenir has asked you to pay a visit to Lady Vanyalos, insisting that somehow she dreamed of you.