I Come In Peace: Actually, the usual first words exchanged are usually something like 0000 0001 0001 0010 0011 0101 1000 1101, or some such, while communication is still being invented between the contactor and the contactee (i.e., First Contact Math).
But if we’re limiting ourselves to words spoken once the language problem has been solved, it’s probably something more along the lines of “We wish to parlay. Could you connect us to a decisive individual, please?” (i.e., Take Me To Your Leader). After all, until you’ve talked to them for a while, got to know a bit about them, how do you know whether You Come In Peace or not? The honestly-inclined Imperials would hate to mislead anyone on this point out of ignorance, or accidentally.