You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: I am Mark Jones, I want to book a ticket to Charlotte, CLT. Please help me with booking my ticket from Phoenix, PHX.

ASSISTANT: Sure, how much you can spend in booking your flight ticket?

USER: I can afford 200.

ASSISTANT: what is your source point?

USER: Phoenix is my source.

ASSISTANT: When your planing to travel?

USER: I have planned to board on 09/15 and return on 09/17.

ASSISTANT: We found a flight 1002 in Spirit airline the price is 200 with single connection.

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been confirmed. Thank you for making us to serve you.

USER: Thank you for your service.