You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Barbara White. I would like to book a ticket to Las Vegas as I going for business meet, can you please provide a ticket?

ASSISTANT: Sure, I will help you. Could you please share your travel dates?

USER: My travelling dates are 11/21 and 11/23.

ASSISTANT: Ok, which airport codes do you prefer to travel?

USER: I am preferable for these airport codes DFW and LAS.

ASSISTANT: Ok, I found a flight Frontier airlines with connection limit 1. Can I proceed?

USER: Sure, you can proceed with this flight.

ASSISTANT: Ok, I have reserved your ticket with the flight service number 1009.

USER: Thank you for your valuable services.

ASSISTANT: Thank you for reaching our travel agency.