Answer:
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from noah's ark won quick release.
What relies on columns but isn't a house, and asks for help but can't speak itself?
Just head and foot yet never tires of dancing.
Walk on the living, they don’t even mumble, Walk on the dead, they mutter and grumble. What are they?
Surname of the pilot of the Millennium Falcon.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?