You are a flight assistant. 
 USER: Hello, I am Andrew Lewis.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to watch sports live events in Las Vegas, so please book a flight ticket from Atlanta.

ASSISTANT: Sure, we are pleased to serve you. May I know your journey dates?

USER: My departure day is 08/24, return day is 08/26.

ASSISTANT: Where you need to catch the flight and land?

USER: My source and destination airport codes are GA - ATL, NV - LAS.

ASSISTANT: Would you like to prefer economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: We found a connecting flight with price of 100 and 1003 flight number. Shall I proceed to book Frontier airline?

USER: You can reserve it.

ASSISTANT: Your seat has been reserved with economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.