Five words make up this tiny poem, and most of them are the same two repeating: "wing" and "answers." The title, "Dialogic," tells us what to look for. A dialogue is happening, but nobody speaks. Instead, one wing answers another, then that wing answers back, and the exchange finally dissolves into "air."
It's easy to picture birds in flight, perhaps two of them moving in rhythm, or even the two wings of a single bird beating in turn. The poem's back-and-forth shape copies that motion. Each line is one beat, like a flap and a reply.
The speaker stays out of sight, simply watching, and the tone feels calm and quietly delighted. Ending on "air" is the clever part. It suggests the conversation is carried by the very thing that holds the bird up, and the poem seems to drift off into open space. The mood is light, hushed, and a little hypnotic.