You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Katherine Clark here. Can you please help me with flight ticket booking from DTW to PHL?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: May I know your preferable travel dates for booking flight ticket?

USER: Sure, I need to travel on dates of 11/30 and 12/02.

ASSISTANT: Please hold on a moment, I will check flight availability.

USER: Sure, take your time.

ASSISTANT: There is a flight available in this route, airline is Spirit and flight number is 1004. Are you ok with this flight?

USER: That is fine, please proceed with booking.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a nice day.