You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to attend music concert at IAD, can you please help me with booking a flight ticket from DTW?

ASSISTANT: Sure, can you share your trip dates?

USER: I would like to take off on Sept 25 and return on Sept 27.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any class preference?

USER: No, but I would like to return during evening time.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: My name is Scott Young.

ASSISTANT: We found a connecting flight of fare 900 with airline Hawaiian and number 1014. Can I book?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed in business class.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for availing us.

USER: You are welcome.