You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Young.

ASSISTANT: How may I help you?

USER: I am planning to book a ticket to visit my cousin's home. Can you please help me out to book a ticket for me?

ASSISTANT: Young, please let me know your planned journey dates.

USER: I would like to travel on 09/16 and return back on 09/18.

ASSISTANT: May I know your respective airport codes please?

USER: My source code is EWR and destination code is IAD.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight in Hawaiian airlines with price 200. Shall I book the ticket for you?

USER: Please proceed the booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1024.

USER: Thank you for your service.

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