Hello.
Hello, how may I serve you?
Melissa Nelson here. I want to attend a meeting  in Detroit, so could you please help me to book a flight from ORD on 10/19?
Sure, what is destination airport code and when you would like to return?
My return is from DTW on 10/21.
One moment please, I will check the availability.
Sure, take your time.
Thank you for waiting, there is a flight available with UA airlines, shall I book your ticket?
If it is single connected flight, you can proceed with booking.
Yes it is having single stop, your booking is done, flight number is 1009.
Thank you for your help, have a good day.
It will charge you 200, thank you for reaching us.