You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Ronald Martin here. I'm planning to visit Seattle, can you please book a ticket from DCA to SEA?

ASSISTANT: Sure, may I know on which dates would you like to book your flight ticket?

USER: Sure, I would like to depart from my location on 6th Dec and I want to return back by 8th Dec.

ASSISTANT: Do you need any specification in your journey?

USER: Yes, I want to depart on morning.

ASSISTANT: We found a connecting flight in business class with the fare of 100. Shall  I proceed?

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

ASSISTANT: Your ticket has been reserved with Delta airlines, flight number 1004.

USER: Thank you so much for your help in booking the ticket.

ASSISTANT: Thank you for availing us.