You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you with this moment?

USER: I am Justin Jackson. I have to attend a Music Concert at Detroit, could you please help me with booking a flight ticket?

ASSISTANT: That's nice, could you please help me with your respective airports codes?

USER: My source airport code is DCA and destination airport code is DTW.

ASSISTANT: Ok, may I know your dates of journey please?

USER: I would like to take off on 05/10 and return on 05/12.

ASSISTANT: There is a flight with the connecting flight of fare 100 with the airline naming as Delta, shall I proceed with this ticket?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved with the flight number 1013.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome and have a safe flight.