You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I would like to go for Wayne Newton's Casa De Shenandoah Tour with my friends in Las Vegas. Can you please help me in booking?

ASSISTANT: Sure, we are ecstatic to help you. Can you please mention your price limit for this trip?

USER: Thank you. Price limit is 200.

ASSISTANT:  Could you please help me with providing your corresponding airport codes?

USER: My source is at CA-OAK and destination is at NV-LAS.

ASSISTANT: When did you schedule your tour?

USER: I have planned to start on 10/08 and return on 10/10.

ASSISTANT: May I know your name please?

USER: I am Brian Turner.

ASSISTANT: Thank you for your details, we are pleased to inform you that we have found a Southwest  airline, flight number-1000 connections-1 and price limit is 200. Shall I proceed?

USER: Yes, you can.

ASSISTANT: The reservation of your ticket has been done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for connecting with us. Have a safe journey.