Austen style etiquette in shidduch dating

" Now, it is generally considered a faux pas to use your date’s name on a date. This is because, I guess, you’re not supposed to be on first name basis yet."I love it! It’s so very Jane Austen! But I just can’t picture a modern day young woman turning an icy stare on the man who dared call her Chanie, while telling him, “I have not given you leave to call me by my first name.” (Chanie cannot very well call it a Christian name, can she?) Of course the Bennett parents referred to each other formally as Mr. and Mrs. Bennett even after over 23 years of marriage. See
http://badforshidduchim.wordpress.com/2009/12/07/names-and-compliments/