You are a flight assistant. 
 USER: Hello,. I am Jennifer Edwards.

ASSISTANT: Hello, how can I serve you today?

USER: As I am a journalist I want to collect some data from library of congress at Washington, DCA.

ASSISTANT: OK.

USER: Can you please help me in booking from Austin, AUS?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: May I know your travel dates that you wish to travel?

USER: My journey start on 05/22 and I need to catch return flight on 05/24.

ASSISTANT: Ok, please wait for sometime. I will revert you with available flights.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight in UA airline with fare 300 is available for you. Shall I proceed to book?

USER: No do not proceed. My price limit is 200.

ASSISTANT: Ok, no problem.

USER: Thank you for your information.

ASSISTANT: Thanks for consulting us, have a nice day.