Why was this hotel booking so much less $ when this travel site booked it for me?

It was showing up as close to $900 for 2 nights, but when they did it it was just over $500. They're a client and cover our hotels sometimes. How could the price be so much cheaper for them than any random person who booked it?

Why was this hotel booking so much less $ when this travel site booked it for me?
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