You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to travel from DCA to SEA. Can you book a flight ticket for me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I want to fly in the flight on Aug 07 and Aug 09.

ASSISTANT: Ok, do you have any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Ok, take your time.

ASSISTANT: I found a flight for you with United Airlines and it costs you 300. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: May I know on whose name you would like to book this ticket?

USER: I am Raymond Wright.

ASSISTANT: Your ticket has been booked with 1001 flight number.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.