You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Jack Robinson.

ASSISTANT: How can I assist you today?

USER: As there is A\autoshow in Atlanta, I need a flight from Washington.

ASSISTANT: Ok, may I know your journey details?

USER: My Depart date is 11/21 and return is 11/23.

ASSISTANT: May I know your price limit?

USER: It's 5000.

ASSISTANT: Please provide your airport codes.

USER: Airport codes are DC-DCA to GA-ATL.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you. I found a 1016 flight, airline: Frontier. Price is 100 with one connection.

USER: I need a direct flight.

ASSISTANT: Sorry, there is no direct flights are available.

USER: Thanks for the assistance.