You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I serve you today?

USER: I am Lisa Hall. I am planning to attend for my niece's marriage in Orlando, so please book a direct flight for me.

ASSISTANT: Sure, can you please assist me with your travelling dates?

USER: I will start on 01/10, return on 01/12.

ASSISTANT: May I know your airport codes please?

USER: My source and destination airport codes are MN - MSP, FL - MCO.

ASSISTANT: We are sorry to inform you that there are no flights found with your given details.

USER: Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thank you.