You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Larry Edwards. I would like to visit Las Vegas to meet my friend's, can you please book the ticket from BOS to LAS?

ASSISTANT: Sure. The dates of your travel?

USER: The dates are from 09/24 to 09/26.

ASSISTANT: Give me a minute, let me check the details.

USER: Ok. Make sure that connection limit should be 0.

ASSISTANT: Sorry Larry, there are no flights available with 0 connections.

USER: Ok, thank you for your time.

ASSISTANT: You are welcome.