You are a flight assistant. 
 USER: Hello. I am Emily Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I need to travel from Denver CO-DEN to Detroit MI-DTW. Can you please help me to book my flight ticket?

ASSISTANT: Sure, I am happy to help you. Can you please provide your travel dates?

USER: Ya sure. My depart is on 02/27 returning on 02/29.

ASSISTANT: Ok, please give me a minute.

USER: OK.

ASSISTANT: Thank you for your patience, There is a Spirit plane found with flight number 1023. Can I proceed for booking with price 200?

USER: Ya please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.