You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend my brother's marriage.Can you please help me for booking the flight ticket from PA-PHL to NV-LAS?

ASSISTANT: Ok, let me know your travel dates?

USER: The travelling dates are from 03/27 to 03/29.

ASSISTANT: Wait for a moment.

USER: Ok, make sure that the connection limit should be 0.

ASSISTANT: Can I know your name?

USER: Sure, I'm Samuel Nelson.

ASSISTANT: There is no flight available with 0 connection.

USER: Ok, It's fine.

ASSISTANT: Thanks for reaching us.

USER: Thank you for your information.