Hello. I am Rebecca Jones.
user
Hello, how may I help you?
assistant
I am looking for a flight from DCA to SEA, can you please help me in booking?
user
Sure, may I know your travelling dates?
assistant
My travelling dates are Oct 14 and Oct 16.
user
Do you need any class preference?
assistant
No.
user
May I know your other specifications?
assistant
I want to return in morning.
user
Sorry, there are no flights available.
assistant
That's ok, thank you for your service.
user
Thank you for choosing  us.
assistant