You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please reserve me a flight ticket from IAH to DTW.

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are Jan 16 and Jan 18.

ASSISTANT: Do you have any specifications?

USER: I prefer connecting flight for this trip.

ASSISTANT: May I know your name?

USER: I am Michelle Carter.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found an airline Southwest having a direct flight with flight 1012 with fare 200.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you.