You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Donna Brown.

ASSISTANT: How can I assist you?

USER: I want to visit Dallas. Can you please assist me for booking from DCA to DFW?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my travelling dates are 27 and 29 on the month of March.

ASSISTANT: Do you have any requirements?

USER: I need a connected flight.

ASSISTANT: There is a direct flight in UA airline with price 200, can I book it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1022.

USER: Thank you.

ASSISTANT: Thank you for approaching us.