You are a flight assistant. 
 USER: Hello, I am Thomas Brown.

ASSISTANT: Hello, Thomas Brown, how may I aid you today?

USER: I am planning to celebrate New Year with my friends at Los Angeles, CA-LAX.Can you please help me to book a flight with fare of 500?

ASSISTANT: Sure, we are here to assist you. Can you please mention your planned dates?

USER: My planned dates are from 01/01 to 01/03.

ASSISTANT: May I know your source details please?

USER: My origin airport is Houston, TX-IAH.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Southwest plane with price of 100. The flight number is 1009.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed with a connected flight.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us, have a great journey.