You are a flight assistant. 
 USER: Hi, I am Anthony Brown.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to book a flight within a fare of 500 so, could you help me in booking a flight to AUS?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are on 04/15 to 04/17.

ASSISTANT: May I know your source point?

USER: My source point is PHL.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Spirit, flight number: 1006 and price is 100.

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.