You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please book a flight ticket from CLT to DCA?

ASSISTANT: Sure, can you pleases share your journey dates?

USER: My journey dates are Feb 25 and Feb 27.

ASSISTANT: Are you looking for any preferred connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I prefer a normal cost airline.

ASSISTANT: Can I have your name to proceed further?

USER: I am Robert Edwards.

ASSISTANT: We found a direct flight of American airlines, flight number-1001 class-economy and fare is 200. Shall I proceed?

USER: Go ahead.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.