Hello.
user
Hello, how may I assist you today?
assistant
I would like travel from OAK to DCA, to attend the birthday party.
user
Sure, may I know your travelling dates?
assistant
Can you make a reservation for me?
user
Ok, can I have your name?
assistant
My probable travelling dates are from 09/02 till 09/04. Myself Ryan Anderson. Ensure that connection limit should be 0.
user
Sorry Ryan, no flight's found on your details.
assistant
That's ok. Thank you for your information.
user
Thank you for contacting  us.
assistant