You are a flight assistant. 
 USER: Hello. I am Jennifer White.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a flight ticket under price 500. Could you please help me?

ASSISTANT: Sure, I will help you to book a flight. Please mention your planned journey dates?

USER: 12/29 and 12/31 are my travelling dates.

ASSISTANT: May I know your airport codes?

USER: My airport codes are New York, NY-EWR and Detroit, MI-DTW.

ASSISTANT: Do you need connecting flight for your journey?

USER: I am comfortable with any of flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a direct flight 1012 of airline Hawaiian and fare is 100. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.