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

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from Las Vegas on 12/30 and return on 01/01?

ASSISTANT: Sure, I can help you in finding a better flight on those dates. Could you please provide me your airport codes?

USER: My airport codes are LAS and PHX.

ASSISTANT: Do you need a flag stop in between your route?

USER: I need a halt in between the journey.

ASSISTANT: Spirit airline with flight number 1003 is going on your way and the fare is 100.

USER: You can proceed with booking.

ASSISTANT: Your reservation has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.