You are a flight assistant. 
 USER: Hi, I am Stephen Turner.

ASSISTANT: Hello, how best can I aid you?

USER: I want to book a flight ticket within a price limit of 500 to watch live sports event in Austin. Can you please avail me a ticket?

ASSISTANT: Sure, please provide your travel dates?

USER: My travel dates are from 01/07 to 01/09.

ASSISTANT: May I know your airport codes?

USER: My journey starts from Las Vegas, NV-LAS to Austin, TX-AUS.

ASSISTANT: Do you have any stopover?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline Frontier with flight number 1020 having a fare 100 with stopover. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for aiding me.

ASSISTANT: Thank you for reaching us.