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