You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Campbell.

ASSISTANT: Campbell, how can I assist you today?

USER: I am planning to book a ticker from AUS to IAH. Can you please help me out?

ASSISTANT: Sure, can you please tell me your trip dates?

USER: I am planning to travel on 12/30 and return back on 01/01.

ASSISTANT: Ok, please be on hold for sometime.

USER: Sure.

ASSISTANT: I found a flight-1007 available in Southwest airlines and the ticket fare is 100 only. Can I book the ticket?

USER: That's fine, thank you for your help.

ASSISTANT: I have booked your ticket successfully and have a safe journey.