You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you out today?

USER: I am Michelle Scott and I would like to travel from Las vegas  to Phoenix , Can you book a book a  flight ticket  for me?

ASSISTANT: Sure, can you please provide me your journey dates?

USER: Sure, I want to start on 12/24  and  the end on should be  12/26.

ASSISTANT: OK, may I know your airport codes?

USER: NV-LAS to AZ-PHZ.

ASSISTANT: Please wait a moment I will get back to you.

USER: OK.

ASSISTANT: We found a flight that matches your requirements. The flight details are airline-Spirit flight number-1023 with one connection and the price 200.

USER: You can proceed with this airline.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.