You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Martin.

ASSISTANT: How Can I help you today?

USER: I would like to book a ticket from ATL to LAS, can you please help me out?

ASSISTANT: I will help you, may I know your travelling dates please?

USER: I am travelling on these dates 12/07 and 12/09. Make sure my connection limit is 0.

ASSISTANT: There is a connection limit with 1. Can I proceed with booking?

USER: No, I need with connection 0. Please check it.

ASSISTANT: There is no flight available with 0 connection.

USER: Ok no problem, thank you for your services.