You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me in booking me a connecting flight?

ASSISTANT: Sure, Please share me your travel dates.

USER: 09/06 is my starting date of travel. 09/08 is my return date.

ASSISTANT: Can I know your airport codes please?

USER: Orlando, ORD is my destination code. Oakland, OAK is my source code.

ASSISTANT: May I know your name please to proceed further?

USER: I am Charles Miller.

ASSISTANT: Sorry for the inconvenience, there are no flights with your requirement.

USER: Ok. Thank you for assisting me.

ASSISTANT: Have a nice day.