Hello.
Hello, how may I serve you  at this moment?
Can you help me to book a flight ticket from DEN to IAD?
Sure, kindly assign your journey dates?
My travelling dates are 10 and 12 of Aug.
Is there any connection limit in your journey?
I need a connecting flight.
May I know your name please?
I am Shirley Hill.
Is there are any more specifications?
No.
Ok, please be on hold.
Sure.
We found a United airlines, flight number 1003, price is 200 in economy class, with single stopover. Shall I proceed?
Please proceed.
Your ticket has been reserved.
Thanks for helping me.
Thank you for choosing us.