You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Could you please help me in flight ticket booking process from AUS to HOU?

ASSISTANT: Sure, I am here to help you out. May I know your travel dates please?

USER: Thank you for your response, I want to take off on Mar 11 and book my return ticket also on Mar 13.

ASSISTANT: Can you please share your connection limit?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Do you have any other specifications?

USER: I want to return in afternoon time.

ASSISTANT: May I know your name please?

USER: Sure, my name is Pamela Evans.

ASSISTANT: Pamela Evans, there are no flights available in your route with your preferences.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.