You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket from Seattle, SEA to Washington, IAD?

ASSISTANT: May I know your travelling dates?

USER: My journey dates are from Aug 23 to Aug 25.

ASSISTANT: Is there any connection limit?

USER: I need a lay by in between journey.

ASSISTANT: Do you have any other requirements?

USER: My return time is afternoon.

ASSISTANT: May I know your good name?

USER: My name is Helen Thomas.

ASSISTANT: Delta Airlines providing connecting flight in the economy class with fare 200 and returns at 12:00 hours, shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1011.

USER: Thank you.

ASSISTANT: Thank you for choosing us.