Hi,.
Hello, how can I serve you today?
I planned baby shower program with my family at Washington DC-DCA on 12/02.
May I know your origin and return day?
 I should return on 12/04 from PHL.
Please wait for a minute, I will check the availability of flights and let you know.
Sure.
Thank you for waiting, sorry to inform you that unfortunately there is no flights available on the given days.
Ok, thank you.
Thank you for availing with us.