You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from DFW to DTW?

ASSISTANT: Sure, kindly share your travel dates.

USER: Thank you. I have planned my travel dates as Aug 19 and Aug 21.

ASSISTANT: Do you have any connection limit?

USER: I am looking for direct flight so please make sure that.

ASSISTANT: Is there any other specifications?

USER: Yes, I would prefer economy class.

ASSISTANT: Please share your name.

USER: Sure, myself Virginia Robinson.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 0 connection in Spirit airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is done and flight number is 1001.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.