You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Cynthia Jones. Please book a flight ticket on dates 12/31 and 01/02.

ASSISTANT: Sure, can you share your journey airport codes?

USER: My airport codes are MCO and DFW.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for opting us.