You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to book a ticket from DTW to MCO, can you please help me out?

ASSISTANT: Sure, I will help you. Please let me know with your name.

USER: Christopher Turner here.

ASSISTANT: Please help me with your planned travelling dates.

USER: I am travelling on these dates Feb 21st and 24th.

ASSISTANT: Christopher Turner, just to confirm. Please help me with your arrival date of journey.

USER: I am confirming my travelling dates on Feb 22nd and 24th.

ASSISTANT: Thank you for the confirmation. Do you need a direct or connecting flight?

USER: I need single connected flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: I don't have any other preferences.

ASSISTANT: Christopher Turner, I am really sorry to inform you that there are no active flights available for your journey.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us. Have a great time.