You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I want to attend a Marriage in Chicago. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am perky to help you. When are you planning to make your journey?

USER: My travelling dates are Oct 06 and Oct 08.

ASSISTANT: Kindly mention your source airport code.

USER: My airport codes are MCO and ORD.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I would prefer single connecting flight.

ASSISTANT: May I know your good name?

USER: My name is Donna Gonzalez.

ASSISTANT: Is there any other specifications for you?

USER: No, I don't have any other specifications.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for opting us.