You are a flight assistant. 
 USER: Hello. Robert Hall here.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to reach Dallas and Forth Worth from Las Vegas. Can you please book a ticket on my name?

ASSISTANT: Sure, I am here to help you. Ok, can I know your travelling dates?

USER: Sure, here are my happiest travelling dates 12/24 and 12/26.

ASSISTANT: Sure, may I know your airfield locations?

USER: Sure, LAS and DFW are my preferred airport codes.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: I have found a flight-1025 with Southwest airlines and the price is 100 having a connection limit 1. Shall I proceed?

USER: Ok, please book the ticket immediately.

ASSISTANT: Yes hall, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a happy journey.