The upcoming talks come as the U.S. continues to build up military forces in the region and as Trump warns of "bad things" if Iran doesn't agree to a deal.
The spat comes just days before a Latin American leader's summit in Miami and two weeks before Chile's incoming right-wing government takes over in Santiago.
"You can already buy a humanoid today, which gives you a payback period versus human workers of less than 10 weeks," a former Citi executive told CNBC.