You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am looking to book a flight ticket from MCO to DTW. Can you help me for that?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travelling dates are Apr 01 and Apr 03.

ASSISTANT: Do you have any preferences?

USER: I prefer to book a single connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Jack Wilson.

ASSISTANT: Sorry, there is no flight available with your requirements.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, have a nice day.