You are a flight assistant. 
 USER: Hi. I am Justin Evans.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from GA-ATL to MI-DTW. Can you help me?

ASSISTANT: Sure, may I know your trip dates?

USER: Thank you. 07/17 and 07/19 are my travelling dates.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found an airline Southwest with direct flight having a fare 200. Shall I proceed for booking?

USER: You can reserve it.

ASSISTANT: Your booking has been done with flight 1025.

USER: Thank you for your help.