You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Korean  war veterans memorial at Washington DC-DCA. Help me in booking my flight ticket with singe connection.

ASSISTANT: Sure, may I know your journey dates?

USER: My departure is on 09/15. My return date is 09/17.

ASSISTANT: May I know your good name please?

USER: I am Raymond Lewis.

ASSISTANT: Can you please provide me your source airport code?

USER: I would like from NV-LAS.

ASSISTANT: Please share your price limit.

USER: My price limit is 200.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a AA airline, flight number: 1012, price: 100 with one connection. Shall I proceed with this booking?

USER: Sure please proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thanks for opting us.