Hello, I am Barbara Carter.
user
Hello, How may I help you?
assistant
Can you please help me to book a flight ticket from Oakland to IAD?
user
Sure, May I know your travelling dates?
assistant
My travelling dates are Apr 21 to Apr 23.
user
Do you have any connection limit?
assistant
I need a single connection of flight.
user
Is there any class preference?
assistant
No.
user
Do you have any specific depart and arrival time for this trip?
assistant
I would like to depart in the morning.
user
Thanks for your details, there are no flights found in the afternoon time.
assistant
No problem, thanks for your information.
user
Thanks for choosing us.
assistant