Hello.
Hello. How can I assist you?
I am John Clark. I want to celebrate my birthday in Denver, can you help me in booking a flight ticket within a price limit of 500?
Could you provide me your travel dates?
My departure day is 03/03, return day is 03/05.
May I know your travelling points?
My source and destination airport codes are DC - DCA, CO - DEN.
 Do you have any preference?
Connection limit is one.
 We found a connecting flight UA with flight number 1005 and fare is 100.
You can proceed to booking.
 Your booking is confirmed.
Thank you.
 Thank you for availing us.