You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Please help me in booking a flight ticket from DCA to ATL.

ASSISTANT: Sure, please provide your journey dates.

USER: My trip dates are from July, 05 to July, 07.

ASSISTANT: Ok, Do you have any class preference?

USER: I prefer an economy class to fly.

ASSISTANT: Ok, Do you have any other preferences?

USER: I need a single connecting flight.

ASSISTANT: Ok, please mention your good name.

USER: I am Carolyn Hall.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a direct flight in 1008 JetBlue airline with a fare of 200. Can I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.