You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Washington, can you please reserve me a flight ticket from DCA to IAD?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I am planning my journey on the dates of Mar 17 and Mar 19.

ASSISTANT: Are you looking for any preferred class?

USER: I am looking for an economy class.

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

USER: I would like to depart in the morning flight.

ASSISTANT: Can I have your name to proceed?

USER: My name is Matthew Edwards.

ASSISTANT: We have found a connected flight of Unites airlines, flight number-1020 class-economy depart time-morning 11:00 AM and fare is 200. Would you like me to proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.