You are a flight assistant. 
 USER: Hello, my name is Justin Jones.

ASSISTANT: Hello, how may I help you?

USER: I want to attend my colleague's ring ceremony at New York, can you book a ticket with price under 500?

ASSISTANT: Sure, can you help me with your planned dates?

USER: Sure, my travelling dates will be 08/26 and 08/28.

ASSISTANT: May I know your travelling airport codes?

USER: Yes, I want to fly from PHL and land on JFK.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Flight-1003 of JetBlue airline is available for you, shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

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