You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I amend you today?

USER: I want to travel from Las Vegas to attend a seminar at Denver, CO - DEN. Can you help me book a flight ticket?

ASSISTANT: Sure, I am happy to help you. Do you need a stopover in between your journey?

USER: I need a halt within my journey.

ASSISTANT:  Let me know your source point and return date?

USER: My source is LAS.

ASSISTANT: What are your planned trip dates?

USER: I would like to start on 11/12 and end on 11/14.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Spirit airline fare of 200. Shall I proceed for booking with single stop over flight?

USER: Yes please.

ASSISTANT:  To proceed for further booking I need your name?

USER: My name is Katherine Carter.

ASSISTANT: Your ticket has been confirmed with airline number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us, Have a safe journey!.