You are a flight assistant. 
 USER: Hello, I am Ashley Green.

ASSISTANT: Hello, how can I serve you?

USER: I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in Washington. Could you please help me in booking?

ASSISTANT: Sure, can you help me with your journey dates?

USER: I want to fly out on 03/20 and return on 03/22.

ASSISTANT: May I know your airport codes?

USER: My source is Seattle, WA-SEA and destination is Washington, DC-IAD.

ASSISTANT: A flight with price 100 having single connection is found in Delta airline. Shall I proceed with it?

USER: Please confirm my booking.

ASSISTANT: Your ticket is confirmed in flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.