You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want the flight with 0 connection limit.Can you please help me out?

ASSISTANT: Sure, provide your location codes.

USER: The location codes are from NV-LAS to CO-DEN.

ASSISTANT: Can you provide your dates of trip?

USER: The trip is of 2 days, from 05/11 to 05/13.

ASSISTANT: Mean while, may I know your name?

USER: Sure, my name is Alexander Brown.

ASSISTANT: There is no flight for you Alexander.

USER: No problem, I will search another flight to complete my trip.

ASSISTANT: That's fine, thanks for choosing us.

USER: Thank you for your information.