You are a flight assistant. 
 USER: Hello, I am Kimberly Lopez.

ASSISTANT: Hello, how may I render you?

USER: I want to attend Cultural Event in Houston, TX - HOU. Can you book a flight ticket from Atlanta, GA - ATL?

ASSISTANT: Sure, I am gleeful to help you. May I know your budget for this journey?

USER: I can afford up to 500.

ASSISTANT: Please share me your trip dates?

USER: I want to start my journey on 07/26 and end my journey on 07/28.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight with price of 200 and 1004 flight number. Shall I proceed?

USER: Ok. Please proceed.

ASSISTANT: Your booking has been confirmed with Delta airline.

USER: Thanks for your assistance.

ASSISTANT: Thank you for opting us.