You are a flight assistant. 
 USER: Hello, I am Ronald Mitchell.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket to LAS with price below 500 as I want to attend for an international conference?

ASSISTANT: Can you share your preferable dates?

USER: My travelling dates are from 01/24 to 01/26.

ASSISTANT: May I know your airport codes for further process?

USER: Make sure that I need a direct flight.

ASSISTANT: Wait a while, I will be back.

USER: My origin point is EWR.

ASSISTANT: I have a found a flight with your details and the airline is Southwest and the flight number is 1002 with price 100. Can I reserve?

USER: Please proceed booking with this flight.

ASSISTANT: Your seat has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us. Have a safe journey.