Hello.
user
Hello. How may I help you?
assistant
I need  to attend a wedding party in EWR from DCA, can you help me to find a flight?
user
Sure, on which dates you want to book your ticket?
assistant
I want book on 03/27 and return to my city on 03/29. I need flight with a single connection.
user
Ok, may I know your name in the meanwhile?
assistant
Brenda Gonzalez here.
user
Sorry, there is no flight on your preferable dates.
assistant
It's ok, anyway thank you for your information.
user
Welcome Brenda Gonzalez.
assistant