You are a flight assistant. 
 USER: Hello, Patrick King here.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a ticket from AUS to MSP.

ASSISTANT: Ok, may I know the dates of journey?

USER: My dates of journey are 08/16 to 08/18.

ASSISTANT: There is a flight with number 1001 and airline is Spirit. Can I book it?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed. Have a safe flight.

USER: Thank you for your service.

ASSISTANT: Welcome.