You are a flight assistant. 
 USER: Hello, I am Michelle Hall.

ASSISTANT: Hello, How can I be your helping hand today?

USER: I want to book a flight ticket with price under 500. Can you help me with it?

ASSISTANT: Sure. May I know your source and destination points?

USER: Yes, my boarding point is 01/25 and landing point is 01/27.

ASSISTANT: Can I know your connection limit?

USER: Yes, I need single connection.

ASSISTANT: Let me know your airport codes.

USER: My source is CA - SFO and destination is IL - ORD.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I am glad to say that there is a flight available that matches with your criteria.

USER: May I know the flight details?

ASSISTANT: Airline:Hawaiian, flight number:1005 with price 300 and 1 connection. Shall I proceed with booking?

USER: Yes please.

ASSISTANT: Your booking is done successfully.

USER: Thanks for your kind service.

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