You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking a flight ticket to AUS from IAH?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Sept 03 to Sept 05.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name for further process?

USER: I am Jonathan Green.

ASSISTANT: Thank you for providing your details, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.