You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you aid me in booking a flight ticket from SFO to IAD?

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

USER: I am planning to start on Mar 14th and return back on Mar 16th.

ASSISTANT: Ok, do you have any other specifications?

USER: I prefer to travel in economy class.

ASSISTANT: Ok, hold on for a moment.

USER: Take your time.

ASSISTANT: I found a flight for you with American Airlines and it costs you 200. Shall I proceed to reserve a seat in this direct flight?

USER: Yes, you can go ahead.

ASSISTANT: On whose name you would like to book this ticket?

USER: Karen Anderson.

ASSISTANT: Your ticket has been booked with 1011 flight number Karen Anderson.

USER: Thank you for the support.

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