You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: My name is Sandra Edwards. I have a meeting to attend at Washington. Can you help me in booking a ticket from JFK to DCA?

ASSISTANT: Sure Sandra, I will help you with that. Can I have your travel dates please?

USER: My preferred travel dates are 07/21 and 07/23.

ASSISTANT: Ok Sandra Edwards, please wait a moment  to check flight availability.

USER: Ok, make sure the flight has 0 connections.

ASSISTANT: Sorry Sandra Edwards, no flight is available to you on your dates with connection 0.

USER: Its ok, no issues. Thank you for the information.

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