If you're really trying to make the greatest impression on people in a restaurant setting, your intro to tables should honestly be tailored and dependent on the person or crowd you will be entertaining. The biggest reason why many magicians fail while others do not is because half of what you're supposed to be learning is magic...the other half should be sociology/pyschology/people skills.
Too many times, especially among aspiring close-up and restaurant workers, magicians try to put spectators in a box. "How should I talk to people?" or "How should I approach a table?" or "What's a good restaurant trick?" are often questions that get asked. It really bothers me when people ask those questions because it shows a common trait among aspiring magicians...too much focus on the trick and not realizing that 90% of the magic has nothing to do with the trick, your skill level, or your sleight of hand. It's about your personality, presentation, and moreso, your ability and willingness to study people and be able to tailor your presentation to your audience.
For example, some of the intro suggestions that were given will work on a lot of people. But I know, through experience, that those cookie cutter intros do NOT always work, and they very quickly and easily set you up for rejection. Magic is one of those trades that people often meet with skepticism and caution, and simply going up to someone and asking if you can show them a trick is a quick and easy way to get rejected. You honestly had the opportunity to show them some great magic, (not to mention, make some money and gain reputation), but you blew it by delivering a lame, close-ended cookie cutter intro. You allowed them to simply say "no thanks, see ya" when the opportunity might have been there to really entertain them. Many times, asking a close-ended question like that is going to have you spinning your cards in a corner by yourself instead of entertaining a crowd.
Also, different types of people act and respond to others differently in social situations. Older folks, parents with kids, soldiers home from Iraq, and teenagers eating out before their prom are all going to react differently to you, and are all going to act differently in different locations and situations. So honestly, you should be noticing these things, and your "output" (intro, magic style, attitude) should be adjusting to these differences to get the most out of your magic and your customers.
So yes, there are plenty of standard ways of greeting tables or people in a restaurant setting...and many of them have been said by previous posters. These standard greetings do work a lot of the time, e.g. "Hi my name is _____ and I'm the house magician this evening." However, the real truth is that if you really want to knock em dead doing magic, you're really going to have to put down the cards and coins, hit the restaurant or mall or any other venue and really learn about people. Your going to have to sit down one day at home by yourself and think about who YOU are and how you wish to present your magic. And when you've discovered who you are and how you want to present yourself, combine that with what you've learned about different types of people and situations...and you'll always have a way to introduce yourself and get the magic started in a way that's going to make people comfortable with you AND really set of your magic. And in dollar terms, the better you impress, the greater reputation you'll begin to have, the more money you make in tips and future business, and the more earning power and opportunity you have working in your particular restaurant and the other venues you'll expand into. Take it from me, the greatest lesson and contribution to my magic career was when I stopped trying to work tables, and learned how to work people.
When you've learned that, even the easiest and most basic of illusions become grand...and you'll have other magicians of even higher technical skill level than you coming to you asking you for tips, and how you do it. You'll see guys you looked up to because of their great skill in magic look up to you doing the smallest of tricks...and you'll see them fizzle out in frustration while you succeed. It honestly happens all the time...
I hope my ramblings may have been some true help.
"Always B Magic!"
.. that was a good read.. most helpful tip i think..
its something that I haven't thought of .. and I think that others should too..
.. and now i know why people like Gregory Wilson are so entertaining and amazing to watch.
i'll keep this in mind..