Hello, I am Gregory Lopez.
Hello, how may I assist you?
Can you make a reservation from PHL to DTW for me?
Sure, may I know your travel dates please?
I am planning to start on 07/17 and return back on  07/19.
Ok, hold on for a moment. Let me check the best flight for you.
Make sure that connection limit is 1.
I found a flight for you with UA airline and it costs you 100. Shall I proceed?
Yes, you can go ahead.
Your ticket has been booked with 1002 flight number.
Thank you.
Welcome, thank you for choosing us. Have a safe flight.