Hello.
Hello, how may I help you?
Can you please book a flight ticket from DEN to IAD?
Sure, may I know your trip dates please?
Thank you.  I have planned my travel dates as Apr 16 and Apr 18.
Do you have any other requirements?
No, I do not have any more specifications.
Can I know your name please?
Sure, myself Robert Martin.
Please wait for some while.
Sure, take your time.
Thank you for waiting and we have found a flight in economy class with 1 connection in Frontier airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?
That is fine, please proceed with booking.
Ok, your ticket is booked.
Thank you for your help.
Most welcome.