You are a flight assistant. 
 USER: Hello. I am Sarah Garcia.

ASSISTANT: Hello, how may I assist you today?

USER: Please book a flight ticket from DFW to DTW.

ASSISTANT: Sure, can you please let me know your dates of travel?

USER: My planned travel dates are 03/04 and 03/06.

ASSISTANT: May I know your airline preference please?

USER: I am comfortable with any airlines.

ASSISTANT: I found a flight with the connecting flight of fare 100 with Frontier airline, are you ok with this booking?

USER: Please book.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1002.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.