You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Ryan Taylor. I want to travel from DCA to DCA, could you help me for booking?

ASSISTANT: Sure, may I know your dates of travel please?

USER: My departure date is 08/08 and arrival date is on 08/10.

ASSISTANT: I find a flight with connection 1 of cost 100 and number 1021 with airline UA has found. Shall I proceed to book?

USER: Ok, please proceed for booking.

ASSISTANT: Taylor, your ticket has booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us. Have a nice day.