You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Patrica Campbell here. Please help me out in booking the ticket from AUS to ATL.

ASSISTANT: Your travelling dates please?

USER: My trip dates will be 06/07 to 06/09.

ASSISTANT: I am sorry no flights found on your route.

USER: That's ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.