You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Brenda Evans. I want to book a flight ticket from TX - DFW to DC - DCA, could you help me in booking a flight ticket?

ASSISTANT: Sure, we will help you. Can I have your preferable dates?

USER: I would like to fly on 03/18 and return on 03/20.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Brenda Evans, we found a flight in UA airline at a price of 200 with single connection. Can I proceed in flight 1025?

USER: You can proceed to booking.

ASSISTANT: Reservation is confirmed on the name Brenda Evans.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.