You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Brandon Anderson here. Can you reserve me a ticket from DCA to ORD?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My trip dates are June 08 to 10.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Would you like to travel in a direct flight or a connecting flight?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a flight available on your requested dates from Southwest airlines with arrival time 15 PM and departure time 9 AM, shall I confirm your booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked with flight 1018.

USER: Thank you.

ASSISTANT: You are welcome.