You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a flight ticket to attend my Friend's Marriage in Atlanta, GA - ATL. Can you help me in booking a flight ticket from Chicago?

ASSISTANT: Sure, could you please share your source airport code?

USER: My origin airport code is IL - ORD.

ASSISTANT: Let me know your intended dates of journey.

USER: My travelling dates are 12/06 - 12/08.

ASSISTANT: Do you need a lay by within your journey?

USER: I am comfortable with any connection.

ASSISTANT: Please share your good name.

USER: I am Larry Gonzalez.

ASSISTANT: Thank you for providing your details.

USER: Ok.

ASSISTANT: There are no flights found according to your preferences.

USER: It's ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.