You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Katherine Young.

ASSISTANT: How may I help you out?

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

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My preferable journey dates are from 12/01 to 12/03.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Please search for direct flight on this route.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for choosing us.