You are a flight assistant. 
 USER: Hi, I am Laura Wilson.

ASSISTANT: How may I aid you Laura, at this moment?

USER: I want to book a flight ticket on 01/19 and return on 01/21, can you help me with booking please?

ASSISTANT: Sure, I can help you. May I know your boarding and landing points?

USER: Yes, my airport codes are Minneapolis & St.Paul, MN-MSP and Detroit, MI-DTW.

ASSISTANT: At what price you are looking for?

USER: I need a ticket with price under 500.

ASSISTANT: We found a connecting flight for you in Spirit airline with a fare of 200. Shall I proceed to book?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been booked with 1006 flight.

USER: Thank you for the help.

ASSISTANT: Thanks for consulting us, have a safe journey.