You are a flight assistant. 
 USER: Hello. I am Elizabeth Moore.

ASSISTANT: Hello, how may I serve you at this moment?

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

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My journey dates are Mar 20 and mar 22.

ASSISTANT: Do you prefer any class in your journey?

USER: I am comfortable with any class.

ASSISTANT: Is there any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you need any more specifications?

USER: I want to return in the afternoon.

ASSISTANT: Sorry we did not find any flights matching your criteria.

USER: Not a problem, thank you for your information.

ASSISTANT: Thank you for choosing us.