You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to celebrate my birthday at Charlotte, I want to book a ticket. Please help me out.

ASSISTANT: Sure, may I know your name please to proceed further?

USER: My name is Ronald Hill.

ASSISTANT: Can you help me with your journey dates please?

USER: My journey dates are from 07/11 to 07/13.

ASSISTANT: Please provide me your airport codes.

USER: My airport codes are from PHL to CLT.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: I found a flight with Spirit airlines available with price 200. Shall I book the ticket for you?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.