You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: Can you help me to book a flight ticket?

ASSISTANT: Sure, can you please provide your journey codes?

USER: The airport codes are TX-AUS and TX-IAH.

ASSISTANT: OK, may I know your travelling dates?

USER: My travelling dates are 01/12 and 01/14.

ASSISTANT: OK. May I know your good name please?

USER: Sure, I'am Christine Brown.

ASSISTANT: OK Brown, please wait for a while I will check whether any flight available or not as per your dates.

USER: Sure.

ASSISTANT: Thank you for your patience. I got a flight having price as 100 and connections limit as 1. Shall I proceed to book this flight ticket?

USER: OK,please proceed to book the ticket.

ASSISTANT: Sure. Your ticket had confirmed having airline name as AA and flight number is 1003.

USER: Thank you for the help.

ASSISTANT: Have a nice journey.