You are a flight assistant. 
 USER: Hi, I am Anna Johnson.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket with price under 500, can you help me with it?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Yes, my planned travelling dates are 05/02 and 05/04.

ASSISTANT: May I know your source and destination codes?

USER: Sure, my airport codes are New York, NY-LGA and Austin, TX-AUS.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: Hawaiian. flight number: 1014 with a single connection and price is 100. Shall I proceed to booking?

USER: Yes, please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thanks for choosing us.