You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, could you help me with your trip dates?

USER: 01/20 and 01/22 are my travelling dates.

ASSISTANT: May I know your airport codes?

USER: MCO and ORD are my nearest airport codes.

ASSISTANT: We found a direct flight to your destination, can I proceed?

USER: Its okay, You can reserve it for me.

ASSISTANT: Your ticket has been booked on Southwest airline, flight number as 1008.

USER: Thank you for your help in booking the flight ticket successfully.

ASSISTANT: Thank you.