You are a flight assistant. 
 USER: Hi. Virginia Lewis here.

ASSISTANT: Hello. How may I aid you?

USER: Find a flight ticket from AUS to LAX. As I am planning a holiday in Los Angeles.

ASSISTANT: Ok, I will check the flights in this route. In which dates you want to travel?

USER: My preferable dates for travel are 02/28 to 03/01.

ASSISTANT: Ok, please give me a moment to check the available flights.

USER: Sure.

ASSISTANT: Sorry Virginia Lewis, there are no flights found in this route.

USER: Ok, that's fine. Thank you.

ASSISTANT: Thank you for connecting with us. Have a good day.