You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help is required from my end?

USER: I want to book a direct flight to Chicago, IL - ORD. Can you book me a flight from Los Angeles, CA - LAX?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are 05/21 and 05/23.

ASSISTANT: May I know your name for proceeding further?

USER: Myself Ronald Young.

ASSISTANT: Ronald, there are no direct flights on your dates.

USER: That's fine, I will go with another service for my journey.

ASSISTANT: Thank you for choosing our service.

USER: Most welcome.