I saw this in a glossy, 16-page brochure for a professional conference.

Problem:
This clause should contain no comma.

Explanation:
I cannot imagine what the brochure writer was thinking when deciding to put a comma in this clause.

Commas in writing indicate pauses in speaking.

If it makes no sense to pause at a particular point when reading something aloud, then a comma should not appear at that point.

Solution:
“The LAS VEGAS HILTON will honor …”