You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that I can assist you?

USER: I would like to visit at Houston for my movie shoots, can you help me to book a flight ticket from AUS to IAH?

ASSISTANT: Sure, I am gleeful to help you and can you please mention your travel dates?

USER: My travel dates are Aug 30 and Sept 01.

ASSISTANT: Can I know your name for documentation purpose?

USER: I am Edward Jones.

ASSISTANT: Is there any connection preference that you need?

USER: I prefer connecting flight on this route.

ASSISTANT: Thank you for your information, please allow me a moment.

USER: Sure.

ASSISTANT: Based on your information, there is no flight obtained to book a flight ticket for your joureny.

USER: No problem, thank you for the information.

ASSISTANT: You are most welcome and thank you for approaching us.