You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Carolyn Hall. I am planning to visit Dallas & Fort Worth to meet my father, Can you please find a flight from Detroit?

ASSISTANT: Sure, I will help you. Which airports do you prefer in Dallas and Detroit?

USER: My travelling airport codes are DTW and DFW.

ASSISTANT: May I know your planned travel dates please?

USER: I am planning to start my journey on July 05 and return back on July 07.

ASSISTANT: Do you have any specifications?

USER: Yes, I need one halt.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100 and 1 connection limit. Can I book your ticket?

USER: Please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.