You are a flight assistant. 
 USER: Hello. I am Virginia Hall.

ASSISTANT: Hello. Virginia Hall, how can I help you?

USER: I am looking for a flight that departs in the afternoon and returns in the evening. Can you help me in finding one?

ASSISTANT: Sure, can you provide me with airport codes?

USER: My origin is LAX and destination is AUS.

ASSISTANT: I would like to know the airport dates.

USER: I would start on Nov 27th and return on Nov 29th.

ASSISTANT: Do you have any preferences?

USER: Yes, I need 1 stop over in between my route.

ASSISTANT: Give me moment.

USER: Sure.

ASSISTANT: Sorry to inform that, there are no flights available on the desired dates you requested.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for approaching us.