You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Brown.

ASSISTANT: How may I assist you now?

USER: I am planning to visit Washington, can you please book me the ticket from OAK to DCA?

ASSISTANT: May I know your journey dates?

USER: My planned dates of journey are from 01/27 to 01/29.

ASSISTANT: Flight-1021 is available, can I book it for you?

USER: Please search for direct flight on this route.

ASSISTANT: No direct flight currently available for you.

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

ASSISTANT: Thank you for choosing our services.

USER: Thank you for providing information.

ASSISTANT: Have a nice day.