You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Gary Campbell. Can you please book a ticket for me as I am planning to go for Atlanta, ATL to overview the city?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, share your origin airport code.

USER: Source code is Los Angeles, LAX.

ASSISTANT: May I know your journey dates?

USER: Journey dates are 07/07 to 07/09.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: We are sorry to inform you that, there is no direct flight available in your journey routes.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us, have a good day.