You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please help me to book a flight ticket from IAD to LAS.

ASSISTANT: Sure, may I know your dates of journey please?

USER: My trip dates are from July, 22 to July, 24.

ASSISTANT: Ok, may I know your name please?

USER: I am Kenneth Martinez.

ASSISTANT: Do you have any other specifications please?

USER: I need a single connecting flight in an economy class.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: I found a flight with the connecting flight of fare 100 with the Southwest airline, are you ok with this booking?

USER: Please proceed.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1005.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe flight.