You are a flight assistant. 
 USER: Hello. I am Jessica Mitchell.

ASSISTANT: Hello. How may I help you out?

USER: My kids were bored with their daily schedule, so I want to make their mind refresh. I have decided to take a tour to Las Vegas. Can you please book a ticket to LAS?

ASSISTANT: Sure, I am here to help you. Can you please share the travel dates?

USER: Journey dates are 11/30 to 12/02.

ASSISTANT: Ok. Do you prefer a connecting flight?

USER: I need a stopover in between my journey.

ASSISTANT: May I have your source code please?

USER: As Houston, HOU is my nearest airport code, I want to board from here.

ASSISTANT: Ok. We found a Southwest airline that matches your request. 1021 flight number.

USER: You can proceed.

ASSISTANT: Your reservation is done successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us, Have a nice day.