You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Catherine Green.

ASSISTANT: Yes, Green.

USER: I want to travel from DTW to SEA for attending a seminar.Can you please help me for booking a ticket?

ASSISTANT: Sure, may I know your planned dates?

USER: I would like to take off on 03/16 and return on 03/18.

ASSISTANT: Please Green, wait a moment.

USER: Sure.

ASSISTANT: Here is a flight in our airline of Delta with flight number 1015. Can I proceed it?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked, hope you enjoy our airline service.

USER: Thank you for the help.

ASSISTANT: Welcome.