Hi.
user
Hello, how may I guide you?
assistant
I am Robert Thomas. I have to book a flight ticket  that I am unable to do, could you please help me in booking flight ticket on dates 12/14 and 12/16?
user
Sure, can I know your airport codes?
assistant
Yes, my airport codes are CLT and ORD.
user
I found an economy class ticket in UA airlines with normal cost of 200 and it is a connecting flight. Can I book your ticket?
assistant
Yes, please.
user
Your ticket is booked with flight 1004.
assistant
Thank you.
user
Thank you, have a good day.
assistant