You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Katherine Campbell. I have to attend a Live Concert at Seattle, could you please help me with booking a flight ticket from DTW to SEA?

ASSISTANT: Sure, can I know your travelling dates?

USER: I would like to depart on Dec 7th and return on Dec 9th.

ASSISTANT: We found a flight from Spirit airline with 1 connection and the fare is 200 with an economy class.Shall I proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is booked with 1000 flight number.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.