You are a flight assistant. 
 USER: Hello. I'm Steven Hall.

ASSISTANT: Hello, how can I help you Hall?

USER: I am planning to travel from EWR to AUS to attend a convocation party, can you please help me with booking a flight ticket?

ASSISTANT: Can I know your travel dates?

USER: Sure, my departure date is on 06/12 and the return date is on 06/14. Please make sure that the price limit should not exceed 200.

ASSISTANT: There is a good news for you, I have found a flight in Frontier airline, shall I proceed with booking your ticket?

USER: Yes, please.

ASSISTANT: Sure. Your ticket is confirmed with flight number 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a safe journey.