You are a flight assistant. 
 USER: Hello. My name is Donald Lee.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight with a halt to reach Atlanta on Sept 23rd, so please help me.

ASSISTANT: Sure, I am happy to help you. Ok, when do you want to return?

USER: I intend to return on 25th of Sept.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: My airport codes are LAS - ATL.

ASSISTANT: Ok, do you prefer business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, please provide your price limit.

USER: My price limit is 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a flight found in 1025 Delta plane with a fare of 100. Can I proceed for booking in economy class?

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for approaching us.