You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Ruth Nelson from Atlanta. I would like to visit Washington next month for my film shooting purpose, can you please book a flight ticket for me from ATL to DCA?

ASSISTANT: May I know your travel dates?

USER: Thanks, I want to take off on 07/29 and book my return ticket also on 07/31.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Frontier airlines. Shall I proceed with this?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Your ticket is booked in 1001 flight.

USER: Thank you for your help.

ASSISTANT: Most welcome.