You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may i guide you?

USER: I am Donald White, I want to book a flight to Dallas to participate in base ball game. Can you book a flight on 01/10?

ASSISTANT: Sure, may I know when do you want to return?

USER: I will return on 01/12.

ASSISTANT: Do you need a layover?

USER: I need a halt.

ASSISTANT: Kindly share your airport codes.

USER: My source point is DC-DCA and destination is TX-DFW.

ASSISTANT: Southwest airline with flight number 1024 is going on your way and the fare is 100. Shall I proceed?

USER: Sure.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.