Hello. I am Joseph Young.
Hello, how may I help you today?
I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from IAD to DEN?
Sure, could I have your journey dates, please?
I would like to depart on May 13th and return on May 15th.
Do you have any class preference?
I am comfortable with any class.
May I know your depart and arrival timings?
Make sure that my return time must be afternoon.
Is there any other specifications?
I need a connecting flight.
Ok, please wait for  a minute.
Sure, take your time.
We found a connecting flight 1012 from American Airlines with a fare of 100, the arrival time is 13:00 PM. Shall I proceed?
Yes, please confirm the booking.
Your ticket has been confirmed in economy class?
I really appreciate your help, thank you for your service.
Thank you for opting us.