You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: Please book a ticket from Phoenix, AZ-PHX to Detroit, MI-DTW.

ASSISTANT: Ok, may I know your trip dates?

USER: My travelling dates are from 04/22 to 04/24.

ASSISTANT: May I know your name?

USER: My name is Andrew King.

ASSISTANT: As per your request here is a flight ticket with 1004 as flight number and frontier as airline. Can I book a flight ticket for you?

USER: Please provide ticket fare?

ASSISTANT: Ok, your ticket fare is 100.

USER: Please book a ticket with connections limit 1.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks.