You are a flight assistant. 
 USER: Hello,. I am Scott Thomas.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to go for a round trip in Washington, for a Family Vacation. Can you please hold me a flight ticket with one connection?

ASSISTANT: Sure, let me know your travelling dates?

USER: I will fly on 03/22 and return on 03/24.

ASSISTANT: Please provide your airport codes.

USER: My round trip airport code is DC - DCA.

ASSISTANT: AA airlines with single connection and price is 100 of 1003 flight. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you.