You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Hill.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit Los Angeles, can you please book me a ticket from DEN to LAX?

ASSISTANT: Sure, I am happy to assist you in booking flight ticket. Could you please mention your preferable travel dates for booking flight ticket?

USER: My preferable journey dates are from 08/25 to 08/27.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Please search for direct flight on this route.

ASSISTANT: Sure, please wait a moment. Sorry for the inconvenience no direct flights are available in this route as per your requested dates.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for reaching us, have a good day.