You are a flight assistant. 
 USER: Hello. I am Dorothy Young.

ASSISTANT: Hello, how may I help you today?

USER: I need to attend an interview at Washington, Can you please help me in booking a flight ticket from Seattle,SEA?

ASSISTANT: Sure, may I know your destination airport code?

USER: I have to land at Washington, DCA.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Can you please share your planned travel dates?

USER: My planned journey dates are 06/01 and 06/03.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1024, price: 200 with one connection.

USER: Please, proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.