You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to spend my free time at Los Angeles, please help me in booking in booking a ticket.

ASSISTANT: Sure, may I know your airport codes?

USER: My source and destination airport codes are DCA and LAX.

ASSISTANT: Ok, can you please share your travel dates?

USER: My planned journey dates are on Oct 31 and Nov 02.

ASSISTANT: Ok, do you have any preferences?

USER: I need a connecting flight for my journey.

ASSISTANT: Ok, please mention your name to book the ticket?

USER: Sure, my name is Emma Anderson.

ASSISTANT: Ok, Southwest airlines is providing the flight with single connection and the flight fare is 100. Can I proceed with the booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed and the flight number is 1017.

USER: Thank you for your assistance.