Generic, Text: Thieves’ Cant Spoken Here

If you are someone proficient with Theives’ Cant then you would know a little better how to navigate this place. You can make a DC 13 Persuasion check to pass a vibe check and gain access to a secret menu or special access unique to the establishment you are visiting.
 
If you make a DC 18 Persuasion check you can request asylum. They may not be willing to protect you, but they may be willing to let you slip out the back or give an otherwise helpful tidbit of information to keep you a step ahead of your troubles.