HAI
Hello, welcome to McDonald's! What would you like to have today?
I WANT  BIGMAC, EGG MCMUFFIN,AND STRAWBERRIES SHAKE
That's great! How many would you like to order?
IN A PIECE OF 2 ITEMS
Okay. That's 2 of each. Would you need anything else?
IS THERE ANY OFFER
Yes, there is. You can get an upgrade to chicken nuggets if you order fries with the meal at the same price of the fries. Would you like that?
WOW! SUPER I LIKE THIS OFFER
Sure, it is for the delight of our customers. Would you need anything else?
NOTHING
Sure, I've placed the order. Please proceed to the next counter to make the payment.
I PAY THE PAYMENT
Thank you for visiting us today. Have a great meal!