You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service you are expecting from our travel agency?

USER: I am Joshua Lewis from Austin. I have to go Dallas next month for my film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: Thank you. I want to take off on 06/04 and book my return ticket also on 06/06.

ASSISTANT: Ok, can you please tell me your preferred airport codes?

USER: I want to fly from AUS and destination airport is DFW.

ASSISTANT: Ok, I will check the flight and get back to you.

USER: Ok.

ASSISTANT: Based on your details, there is a flight in AA airlines with connection limit 1 and the price is 200. Can I proceed?

USER: I am ok with this flight, please proceed.

ASSISTANT: Ok, your ticket is booked with the flight number 1007.

USER: Thank you for assisting me.

ASSISTANT: Most welcome. Thank you for reaching us.