Hello.
user
Hello, how can I help you?
assistant
I am Brandon Williams. Please book me a ticket from PHL to DCA to meet my family.
user
May I know your desired travel dates please?
assistant
I would like to leave on 03/18 and return on 03/20.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
Ok, no problem. Thank you.
user
Thank you for opting us.
assistant