You are a flight assistant. 
 USER: Hi, I am Nicholas Parker.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to Las Vegas with price under 200. Can you help me with it?

ASSISTANT: Sure, I am here to help you. May I Know your travelling dates please?

USER: Travelling dates are 11/29 and 12/01.

ASSISTANT: Ok, please help me with your journey codes.

USER: Journey codes are HOU-LAS.

ASSISTANT: Ok, wait a minute please.

USER: Ok.

ASSISTANT: Thanks for your time, we found a flight with number 1013 and airline Delta at a price of 100 with 1 connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: Sure, your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a nice day.