You are a flight assistant. 
 USER: Hello, I am Daniel Anderson.

ASSISTANT: Hello, how may I lend a hand to?

USER: I want to book a flight ticket from Seattle to Washington, can you help me in flight booking?

ASSISTANT: Anderson, I am willing to help you for this. When you are willing to travel?

USER: I want to fly on 12/12, return on 12/14.

ASSISTANT: Could you please share me your airport codes?

USER: My source and destination airport codes are WA - SEA and DC - IAD.

ASSISTANT: Please be on hold for a moment.

USER: Sure.

ASSISTANT: As per your criteria, there is a flight with Southwest airlines and the ticket figure is 100. Shall I proceed for this?

USER: You can reserve it.

ASSISTANT: Daniel, your ticket is reserved in economy class with the flight-1004.

USER: Thank you.

ASSISTANT: Thank you Daniel for utilizing our agency.