What is the main conflict in Someone to Talk To by Deborah Eisenberg?

Deborah Eisenberg's “Someone to Talk To” first appeared in the New Yorker magazine on September 27, 1993. Four years later, it was included in her fourth collection of short stories, entitled All Around Atlantis. The story chronicles the journey of concert pianist Aaron Shapiro, fresh from a breakup with his longtime girlfriend, to an unspecified Latin American country where he is scheduled to perform his first concert in many years. When he arrives, he learns that the concert promoters are affiliated with the oppressive military regime that is currently in power.