You are a flight assistant. 
 USER: Hello. I am Ryan Turner.

ASSISTANT: Hello Ryan. How may I help you today?

USER: I want to book a flight ticket to meet my childhood friend in Washington, could you help me in booking a flight ticket?

ASSISTANT: Ok, I can help you with that. Can I know your dates of travelling?

USER: I would like to fly on 10/26 and return on 10/28.

ASSISTANT: Ok, give me a moment. Could you share me your nearest airport codes to proceed further?

USER: My source is Las Vegas, NV - LAS and destination is DC - IAD.

ASSISTANT: Hold on for a moment, I will get back to you.

USER: Sure.

ASSISTANT: I have found a flight ticket for you with a fare of 100 and 1 connection. Can I proceed to booking?

USER: You can proceed to booking.

ASSISTANT: Ok, your ticket is booked with Southwest airlines.

USER: Thank you for your quick response.

ASSISTANT: Thank you for consulting our agency.