You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Can you please book a flight from DTW to MCO?

ASSISTANT: Sure, help me with the trip dates?

USER: I want to start my journey on Apr 27 and intend to return on Apr 29.

ASSISTANT: Do you have any other preferences?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: Ryan Roberts here.

ASSISTANT: Sorry, no flights were available at this moment.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.