You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me in booking a flight ticket to ATL from DCA?

ASSISTANT: Sure, may I know your travelling dates?

USER: My preferred dates of travel are from Jun 04 to Jun 06.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: I need a single connecting flight.

ASSISTANT: Ok, do you have any airline preference?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I would like to travel in economy class.

ASSISTANT: May I know your good name please?

USER: I am Donna Wright.

ASSISTANT: Do you have any preferable timings to travel?

USER: I am comfortable with any timings.

ASSISTANT: We found a Frontier airlines with fare of 200 and a direct flight with economy class.

USER: Yes, you can proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for reaching us.