You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Justin Allen. Can you book a flight ticket?

ASSISTANT: Yes, I am here to help you. To proceed further please give me your journey details.

USER: Please book a flight from AZ - PHX to TX - DFW.

ASSISTANT: Please give me your journey dates.

USER: As I have a meeting at Pioneer convention center, at Dallas regarding a business issue. Travel dates are 01/14 to 01/16. Under price 500. And one connecting flight.

ASSISTANT: There is a flight in Spirit airline with the number of 1018 matches your criterion. The price is 100. Shall I proceed?

USER: Please book this flight?

ASSISTANT: Ok, your ticket has been booked with single connection. Thank you.

USER: Thank you.