Hello.
user
Hello.
assistant
Daniel Anderson here.
user
How may  I help you?
assistant
I'm planning to visit my old college, can you book a ticket from DCA to OAK?
user
Sure, I am here to help you with that. May I know your travel dates?
assistant
Sure, my planned departure and return travel dates are 6th and 8th of March.
user
Ok, may I know your preferred airlines?
assistant
I'm ok with any airlines.
user
Ok, do you need a direct flight or a connecting flight?
assistant
I'm ok with both of them.
user
Ok, please give me a minute.
assistant
Sure, I want to return on the afternoon.
user
Sorry to inform you that, there are no flights found which is returning in the afternoon time.
assistant
That's ok, thank you for giving the information.
user
You are welcome. Thank you for reaching us.
assistant