You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I abet you?

USER: I want to visit Atlanta, on 05/25 to 05/27.Can you please help me out?

ASSISTANT: Surely I will help you, please help me with the codes of landing and take off airports.

USER: The respective airport codes are from NC-CLT to GA-ATL.

ASSISTANT: Let me know your good name, please.

USER: Sure, my name is Stephen Gonzalez.

ASSISTANT: Flight-1007 of UA airline is found available on your given details, Stephen.

USER: Ok, may I know the price?

ASSISTANT: You need to pay 100 for the ticket.

USER: That's fine, proceed with my booking.

ASSISTANT: I have successfully confirmed your ticket, have a safe flight.

USER: Thank you for your service.

ASSISTANT: My pleasure, thank you for choosing us.