The first and most evident is that she is struggling with this issue of the abortion. Jig is an individual who must fight through her own internal doubts about "the procedure" as well as the American's beliefs about it.
Jig is also enduing conflict about whether or not the American truly loves her. This also forms a conflict because it causes her to feel further agony about whether or not she has been foolish in believing his love for her.
In the rising action the couple were talking about ordering beer while waiting for their train. The conversation turns to the hills on the side of the station, and the girl explains the hills look like “White Elephants”. This brings the conversation to the characters debating whether the “procedure” will push through or not.
The action is winding down when the man has a drink at the bar, and when he’s walking back to Jig, and then when he walks through the curtain. At the same time, all closure is suspended; we don’t know quite how things will end.