You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Daniel Davis. Can you please help me in booking a flight ticket from GA-ATL to TX-AUS?

ASSISTANT: When are you planning to make your journey?

USER: My journey dates are from June 10 to June 12.

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

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you.