You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Dennis Evans, I want to book a flight under fare of 500, can you help me with booking?

ASSISTANT: Sure, I will help you. May I know your locations?

USER: I will fly from CA-LAX to TX-IAH.

ASSISTANT: Ok, let me know your travelling dates too.

USER: I will travel on 12/31 and return on 01/02.

ASSISTANT: Thanks for your details, there is a flight-1012 with connection 1 and price 100. Shall I proceed?

USER: Sure. Thank you for helping me.

ASSISTANT: Ok, your ticket has been done with Southwest airline. Welcome.