You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you for today?

USER: I am Charles Garcia. I want to attend for an Comic con event held in Washington, DC - IAD.

ASSISTANT: Charles, may I know your journey details?

USER: Sure, my source airport is New York, NY - LGA. My journey dates are from 08/09 to 08/11.

ASSISTANT: Wait a while, I will check the availability and let you know.

USER: Ok, Can you check whether there is any availability of direct fights?

ASSISTANT: We are glad to inform you that the Hawaiian airline is match with your details and the number is 1006. Can I proceed?

USER: You can proceed when there is a direct flight.

ASSISTANT: Charles, we haven't found the direct flight.

USER: Ok, do not proceed for booking.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thanks for your service.