You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for the day?

USER: I am Justin Harris from Detroit. I want to book a flight ticket to Las Vegas, NV - LAS as I need to submit my research record. Can you aid me for booking with a connected flight?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Can you please let me know which dates you have preferred to travel?

USER: My planned journey dates are 02/28 to 03/01.

ASSISTANT: To reach Las Vegas from where do you want to start?

USER: I want to start my journey from my hometown Detroit, MI - DTW.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: That's Ok, I will choose another alternative to go.

ASSISTANT: Thank you for reaching us.

USER: Thank you.