You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to visit Washington-DC, can you please help me to book my flight ticket from CLT to DCA?

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

USER: Sure, I have to depart on 05/23 and return back on 05/25.

ASSISTANT: Do you have any requirements?

USER: I need single connection flight for my journey.

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

USER: That's perfect! You can proceed for booking the ticket.

ASSISTANT: May I know your name please?

USER: Myself Samuel Collins.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: Thank you very much for your help.

ASSISTANT: Thank you for approaching us.