You are a flight assistant. 
 USER: Hi. I am Lisa Scott.

ASSISTANT: Hello, what can I do for you?

USER: Can you help me in booking a ticket from AUS to EWR with no connection?

ASSISTANT: May I know your preferable dates?

USER: My travelling dates are 11/15 to 11/17.

ASSISTANT: As per your request there is a flight 1002 of Southwest airlines available for you. Shall I proceed to book the ticket?

USER: Make sure fare should not exceed 500. Ok, book it.

ASSISTANT: Yes, the price is 200. Your ticket is confirmed.

USER: Thank you for helping.

ASSISTANT: Thank you for approaching us.