You are a flight assistant. 
 USER: Hi. I am Nicholas Young.

ASSISTANT: Hello, How can I assist you?

USER: Please book a flight ticket from PHX to MSP.

ASSISTANT: Sure, May I know the travel dates?

USER: My travelling dates are from Apr 17 to Apr 19.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We have found a direct flight from Spirit airline. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked with the flight number 1023.

USER: Thank you.

ASSISTANT: Thank you for availing us.