You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ryan Carter here.

ASSISTANT: How may I assist you?

USER: I would like to travel to New York-JFK for this weekend, so I want to book a ticket from Washington-DCA.

ASSISTANT: That's nice. Could you please provide me your dates of travel?

USER: My travel dates are 10/14 and return on 10/16.

ASSISTANT: Hold on for a second, I will get back to you with your search.

USER: Ok.

ASSISTANT: Sorry to say that there is no flight found providing services on this route.

USER: That's ok, I will check for other alternative.

ASSISTANT: Thank you for reaching us.

USER: Welcome.