Write a science fiction story with a protagonist who is a human diplomat on an alien planet negotiating an intergalactic trade agreement with extraterrestrial life forms. The story should be written in third person omniscient and include details about the physical and cultural differences between the human and alien species. Additionally, describe the challenges and conflicts the diplomat faces as they navigate the delicate negotiations and attempt to bridge the cultural gap between the two groups. Finally, include a twist at the end of the story that reveals a hidden agenda or unexpected outcome.
This prompt doesn't seem malicious.