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