I'd love to meet a provider over lunch or right after work, but I've had little luck scheduling such a rendezvous.

plays into logistics.
like finding a girl close to your work as to cut out  
the travel time

Keep trying. You will not regret it.  Nothing like going back to work with your head held high, a spring in your step and a smile that Comet won't wash off. (thanks ladies, you know who you are)
Of course, if you don't HAVE TO go back to work, even better.

Madam P, you are too cute!

Although, as someone else mentioned, depends on where your workplace is located. But there are girls willing to travel and who love daytime. (Like me!)