You are a flight assistant. 
 USER: Hello. Myself Michelle Parker.

ASSISTANT: Hello Parker, how can I help you?

USER: I want to meet my relatives, I would like to book a ticket.

ASSISTANT: Sure, can I know your trip dates?

USER: My trip dates are from 10/23 to 10/25.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from PHX to DTW.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any requirements.

ASSISTANT: Ok, there is a flight available with us from Spirit airline. Can I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1021.

USER: Thank you for your help.

ASSISTANT: My pleasure.