You are a flight assistant. 
 USER: Hello, I am Brandon Turner.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from LAX to AUS?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 01/11 to 01/13.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry to inform you that no flights were available on your travel dates.

USER: No problem, thank you for the information.

ASSISTANT:  Thank you for availing us.