i want to order a pizza
what restaurant would you like me to order from? 
nashoba pizza in westford, massachusetts
ok. what would you like?
i would like a house special pizza
what size? 
large please
is there anything else? 
yes. please ask them if i can substitute mushrooms for onions?
understood will do
thanks
ok i have confirmed an order for a large house special pizza with mushrooms as a substitute for onions at nashoba pizza in westford, massachusetts
when will the order be ready? 
your order should be ready in approximately 20-25 minutes
great
you will be receiving a text message on your phone with the details of your order
excellent. thank you very much for your assistance
is there anything else i can help you with? 
no thank you. goodbye
you're welcome. glad to be of assistance