You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you aid me in booking a flight ticket from AUS to EWR?

ASSISTANT: May I know your trip dates?

USER: I am planning to start on Mar 30th and return back on Apr 1st.

ASSISTANT: Do you prefer any connections?

USER: Make sure that connection limit is 1.

ASSISTANT: May I know your specifications?

USER: I prefer to travel in normal cost airline.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: No issues. Thank you for checking.

ASSISTANT: May I know your name?

USER: I am Andrew Martin.

ASSISTANT: Thank you.

USER: Welcome.