Definitely an escort.
She will adjust to your needs and preferences. It's the best way to avoid any unwanted uncomfortable mistakes. On top of that, it is a way to guarantee yourselves the best experience (if you chose a girl who matches your needs ofc. Read reviews, talk to her office - it will help to find the best match).
Escorts know and follow the unwritten rules, moreover they are well trained to provide you the best possible experience, serve you well and put your needs above theirs.
Finally, they are professionals after all!