You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a ticket from DTW to JFK to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your name please?

USER: My name is Anthony Garcia.

ASSISTANT: May I know your travelling dates of journey please?

USER: I am departing on Mar 28 and return on Mar 30.

ASSISTANT: May I know your class preference please?

USER: I do not have any specifications.

ASSISTANT: May I know your connection limit please?

USER: I prefer a direct flight.

ASSISTANT: There is a direct flight of fare 200 with economy class in Hawaiian airline, shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1000.

USER: Thank you for your help.

ASSISTANT: You are welcome.