You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jeffery Wilson.

ASSISTANT: How may I assist you now?

USER: I want to book a flight ticket within 500. Can you help me?

ASSISTANT: Jeffery Wilson, may I know your desired dates for this journey?

USER: Sure, 05/10 and 05/12 are my travelling dates.

ASSISTANT: May I know your source and destination location codes?

USER: JFK and LAS are my airport codes.

ASSISTANT: Do you need a direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences? Please let me know.

USER: I have came across all of my preferences.

ASSISTANT: Flight-1023 is available for you with 1 connection at the price of 200 by Delta airlines in economy class. Can I proceed with booking?

USER: You can reserve it for me.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching our services.