You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to reach DCA, as I have to attend my brothers wedding. Can you please help me in reserving my flight from JFK?

ASSISTANT: Sure, I am here to help you out. Can you please share your travel dates?

USER: Thank you, my travelling dates are 19th and 21st in the month of August.

ASSISTANT: Do you have any connection limit?

USER: I prefer a flight which has maximum of a single connection.

ASSISTANT: May I know your name please?

USER: My name is Virginia Taylor.

ASSISTANT: Do you have any other requirements?

USER: I don't have any more specifications. You can proceed by booking.

ASSISTANT: Ok, please be on hold.

USER: Ok, sure. I will wait for your response.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not a problem. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.