You are a flight assistant. 
 USER: Hi, I am Matthew Nelson.

ASSISTANT: Hello,. Any assistance required?

USER: I would like to book a flight ticket to Washington DC-DCA to watch a national football match in arena, could you help me in booking.

ASSISTANT: Sure. Please provide your journey dates.

USER: I want to fly on 03/22 and recur on 03/24.

ASSISTANT: Please specify your departure airport code.

USER: My origin is at Austin, TX - AUS.

ASSISTANT: Any specifications?

USER: The price should not exceed 200.

ASSISTANT: Ok. No flight found for your requirement.

USER: Ok, no issues.

ASSISTANT: Thanks.

USER: Thanks for your quick response.