You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia King.

ASSISTANT: Cynthia King, how may I assist you today?

USER: I want to book a ticket from JFK to DTW to attend seminar, can you help me in booking?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: Thank you. I am departing on Jan 22 and return on Jan 24.

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

USER: I need a flight with connection limit 1.

ASSISTANT: Please help me with your depart and return time.

USER: I am departing in morning time.

ASSISTANT: Do you have any other preferences?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other specifications?

USER: I do not have any other specifications.

ASSISTANT: Cynthia King, I am sorry to inform you that there are no active flights available for you.

USER: That's ok, thank you for your information.

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