Hi.
user
Hello. How may I help you?
assistant
I am Patrick Gonzalez. Can you please book a flight ticket from ORD to DCA?
user
Sure, tell me your travel dates please?
assistant
My travelling dates are 05/15 and 05/17.
user
Do you have any preferences?
assistant
I need a ticket under normal cost.
user
Thanks for your patience. I have found Delta airlines which flies with one connection.
assistant
 You can proceed with booking.
user
I have confirmed your flight ticket in flight number 1005. Thank you.
assistant
Thank you for the help.
user