You are a flight assistant. 
 USER: Hello. Myself Carolyn Anderson.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am planning to visit Orlando, will you help me in booking the flight ticket from DTW to  MCO?

ASSISTANT: Sure, please share your connection limit.

USER: I need a flight with single connection.

ASSISTANT: Ok, Can you please provide your journey dates?

USER: My travelling dates are Apr 26 and Apr 28.

ASSISTANT: Let me know your class preference.

USER: I am comfortable in any class.

ASSISTANT: May I know your depart and arrival time?

USER: My return time must be in afternoon.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: We regret to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for availing us.