Girl at the bar- ''may I please get a Lillian Walton''
Bar keep- ''how is that?''
Girl at the bar- ''oh it's a diet coke with a twist of lime with light rum, please''
Bar keep- ''oh no problem, commin right up.''

Or

Waitress- ''what can I get you guys to drink?''
People- ''we'll all have a Lillian Walton please''
Waitress-''sure thing I'll bring those right out.''