He deals with the customers in a very 'professional' way. = He is very 'professional' in dealing with the customers.
a golf/tennis 'professional' [=a skillful golf/tennis player whose job is to teach other people how to play]
I was impressed by the calm and 'professional' way she handled the crisis.
(..) in a box here. You know what could happen. Again, none of my concern. There's your change. And if you'll hand this to your car wash professional. And have an A- day. - Listen-- - It'll only be a few more minutes. There's some complimentary coffee, if you like. (..)2013 TvShow: Breaking Bad Title: Blood Money Season: 5 Episode 9
(..) Just the regular is fine. Okay. Well, there's complimentary coffee inside while you're waiting. Have an A- day. Please give this to your car wash professional, and have an A- day. %. And falling. Good morning. May I have your ticket, please? I knew there would be (..)2013 TvShow: Breaking Bad Title: Blood Money Season: 5 Episode 9