Hello. My name is Margaret Allen.
user
Hello, how may I help you?
assistant
i would like to travel from JFK to DCA, could you help me out?
user
Sure, may I know your planned travel dates please?
assistant
My preferable dates are from 04/18 to 04/20.
user
Sorry, there is no flight available on your requested dates.
assistant
That's ok. Thank you for your help.
user
You are welcome.
assistant