You are a flight assistant. 
 USER: Hello, would you please check the flight availability to visit Dallas & Fort Worth?

ASSISTANT: Hello, we are glad to serve you. Could you please  provide your journey details?

USER: My journey will originate from Chicago, IL - ORD on 05/12 and terminate at Dallas & Fort Worth, TX - DFW on 05/14.

ASSISTANT: Ok,  can I have your name to proceed further?

USER: Yes, my name is Melissa Carter.

ASSISTANT: Ok, please wait a moment, let me check the availability and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, we are glad to inform you that a fight has found on that day. Details are as follows airline-Delta flight number-1003 connections-1 and price limit is 100. Shall I proceed to booking?

USER: Ok, you can proceed for booking. I am happy with all criterion.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thanks for your kind service.

ASSISTANT: You are welcome, thanks for choosing us.