You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Steven Hall here.

ASSISTANT: How can I assist you Steven Hall?

USER: I want to spend this coming weekend with my family at Washington, can you please help me in booking a ticket?

ASSISTANT: Sure, can you please provide your travelling airport codes?

USER: Sure, my airport codes are LAX and DCA.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: I want to depart from here on 06/12 and return-back on 06/14.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: AA airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Sure, you can proceed.

ASSISTANT: Your ticket is booked with flight number 1007.

USER: Thank you so much for booking.

ASSISTANT: Thank you, have a safe journey.