You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to go Dallas to meet my childhood friends there, can you please book a flight ticket from AUS to DFW?

ASSISTANT: Sure, we are oblige to help you. Can you please provide your preferable dates of travelling?

USER: Thanks, my departure date is 12/23 and please book my return ticket also on 12/25.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 200 from Delta airlines. Is it ok for you?

USER: Please book this flight ticket under my name Christine Davis.

ASSISTANT: Ok Davis, your ticket has been booked with flight number 1012.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great journey.