Hi.
user
Hello, how may I serve you?
assistant
I am Donald Martin, can you help me searching flights from IAD to OAK?
user
Sure, may I know your travel dates please?
assistant
I ma going to start my journey on 02/16 and I am going to return on 02/18.
user
Thanks for waiting. I have found Delta airlines which flies with one connection.
assistant
Proceed to booking.
user
Sure, your flight ticket has been confirmed now.
assistant
Thank you for your services.
user
Thank you.
assistant