You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jerry Brown.

ASSISTANT: How can I assist you?

USER: I need to book a flight ticket from IAH to AUS, Can you please help me for booking?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I would like to travel on 06/06 to 06/08.

ASSISTANT: Do you need any break?

USER: I need a connecting flight.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.