Hello,.
user
Hello, how can I assist you today?
assistant
 I am Karen Jackson.
user
Ok.
assistant
Can you please book a flight ticket from Oakland, OAK with connecting flight?
user
Sure, I am here to help you in searching a connecting flight.
assistant
Thank you.
user
Could you please help in forwarding your travelling dates?
assistant
My travelling dates are, depart on 12/01 and arrival on 12/03.
user
May I know your destination code?
assistant
My destination code is DFW.
user
Please wait for a while.
assistant
Sure.
user
Sorry, no flights found on your requested travelling dates.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant