Hi.
user
Hello. How can I help you at this moment?
assistant
I am planning to travel from OAK to DCA, help me in booking a flight?
user
Sure, I am here to help you. Can you please provide your journey dates?
assistant
I like to travel on Aug 31 to Sept 02.
user
Do you have connection limit preference?
assistant
I need 1 connection flight.
user
May I know your airline preference for this trip?
assistant
Normal cost.
user
Do you have any other specifications for this journey?
assistant
No.
user
May I know your good name please?
assistant
I am David Thomas.
user
David Thomas, there are no flight services are available on this route on your provided dates.
assistant
That's ok, thank you.
user
Thank you for contacting us.
assistant