You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket from DTW to MCO. Could you help me?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are from Jan 13 - 15.

ASSISTANT: Do you have any preferences?

USER: My depart time should be in the afternoon with connecting flight.

ASSISTANT: May I know your name?

USER: Mathew Gonzalez.

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

USER: That's ok, Thank you.

ASSISTANT: Thank you for opting us.