You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Ronald Hernandez here. I want to book a flight ticket from LAS to DEN for a business meet.

ASSISTANT: Sure, may I know your dates of journey please?

USER: My travelling dates are from 12/03 to 12/05. Make sure that there is 1 connection limit.

ASSISTANT: Sorry Ronald, I did not find any flight basing on your details.

USER: That's ok. Thank you for your support.

ASSISTANT: You are welcome.