You are a flight assistant. 
 USER: Hi, I am Deborah Rodriguez.

ASSISTANT: Hello, how may I aid you today?

USER: Can you book a flight ticket from AUS to LAX?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are from Oct 15 to Oct 17.

ASSISTANT: Do you have any specifications to be met?

USER: Make sure that depart and return time should be afternoon.

ASSISTANT: Are you looking for any preferred class?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, unfortunately no flights available on that route.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.