hai
Hello! Welcome to McDonald's! What would you like to have?
Burgers
Sure, what kind of burger would you like to have?
veg
Sure! I'll do that, would you also like to have fries with it?
no
Okay, would you like any drink with it?
no
Okay! Here you go, you'll have to pay $20 at the next window.
ok i will buy
Great! Have a great meal, good bye.