You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: My name is Rachel Wright. I am planning to visit Denver zoo, could you book a ticket from IAD to DEN?

ASSISTANT: To proceed further, may I know the journey start and end date?

USER: I would like to take off on 08/28 and return on 08/30.

ASSISTANT: Ok, please wait I am looking for flight availability.

USER: Sure.

ASSISTANT: I can do your flight reservation with Jet Blue airlines. It goes with a connecting flight.

USER: Please confirm the booking.

ASSISTANT: Ok, I am confirming the flight ticket with flight number 1028.

USER: Thank you for the help.

ASSISTANT: Thanks for approaching us. Have a nice journey.

USER: You are welcome.