Hi, I want to order a Coffee.
From which store would you like to order?
Starbuck's on Main street.
What would you like?
I want a dark roast.
How about the Starbuck's Featured Dark roast? 
That sounds fine. I want their largest size. Do you know what that's called?
Hot Coffee large is Venti. (cold coffees and other drinks are larger)
Venti Sounds fine.
Is there anything else you want with the coffee?
I am hungry. How about a Egg and cheese muffin?
Sausage, Cheddar & Egg Breakfast Sandwich is on an english Muffin. Do you want that?
Yes, 1 please.
Anything else?
Yes, How about a blueberry Muffin?
Yes, They do have a Blueberry muffin.
Ok. That's it.
So you want a Venti Dark Roast, Sausage cheddar and egg Breakfast sandwich, and a blueberry muffin.
Yes. Can you have it here for me?
Yes, It should take under 35 min.
Thanks.
You're welcome.