You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Michael Campbell and I want go to Los Angeles for doing a shopping with my friends in The Grove. Can you please book a plane ticket?

ASSISTANT: Sure, could you please provide your journey dates?

USER: My journey dates are 09/19 and 09/21. I need one connection.

ASSISTANT: Ok, please share your airport codes.

USER: The airport codes are DCA and LAX.

ASSISTANT: AA airlines with single connection and price is 100 of 1015 flight. Shall I proceed for booking?

USER: Ok, you may proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your great service.

ASSISTANT: Thanks for choosing us.