You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Washington, can you please book me a ticket from EWR to IAD?

ASSISTANT: Sure, I'll help you with that. May I know your travel dates please?

USER: My preferable journey dates are from 02/11 to 02/13.

ASSISTANT: Please wait for a while.

USER: Sure, please search for direct flight on this route.

ASSISTANT: Ok, may I know your good name please?

USER: My name is Sharon Anderson.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates with 0 connection.

USER: ok, not an issue. I will find any alternate for this trip.

ASSISTANT: Thank you for choosing us.

USER: Thank you for the information.