You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket to MCO to attend for an Innovation festival to share my ideas.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned dates are Jan 17 and 19.

ASSISTANT: Please share me your source point.

USER: I am heading from OAK.

ASSISTANT: Is there any class preference for you?

USER: I need a business class.

ASSISTANT: Do you have any other specifications?

USER: I need a connected flight.

ASSISTANT: Your good name please.

USER: Sure, my name is Patricia Carter.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for reaching us.