You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Brown.

ASSISTANT: How can I support you?

USER: I have a doctor appointment at Seattle, can you please reserve me a ticket from AUS to SEA?

ASSISTANT: Sure, we are here to help you. May I know your travelling dates?

USER: I am planning to depart on Feb 19 and would like to return on Feb 21.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I prefer connecting flight on this route.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for waiting, we are sorry to inform you that no flights are available on your journey routes.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for opting us.