Heres where the address is.

There seems to be no such company on the web, though.

And running a company in Laguina Hills with an email address in Africa seems...well...inconsistent. Here's a DNS analysis of the domain they use.

You could call the hotel and ask them what's on their schedule for that date:

New Otani Hotel & Garden
120 S Los Angeles St
Los Angeles, CA 90012
Phone: (800) 639-6826