You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Barbara Lopez. I would like to book a flight ticket from Washington to enjoy by participating the Yosemite adventure in Chicago. Can you please book a flight ticket?

ASSISTANT: Sure, kindly mention your travel dates?

USER: My travelling dates are 02/26 and 02/28.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from DC-DCA to IL-ORD.

ASSISTANT: There is a flight with your requirement, airline is Hawaiian with price 100 and single connection. Shall I proceed with booking?

USER: You can continue with booking.

ASSISTANT: Your booking is done with flight number is 1025.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.