You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from Atlanta to Detroit.

ASSISTANT: Sure, please share your journey dates?

USER: Departure is Apr, 4 and return date is Apr, 6.

ASSISTANT: Do you have any specifications?

USER: I prefer connecting flight.

ASSISTANT: Is there any class preferences?

USER: I would like to prefer economy class.

ASSISTANT: May I know your good name?

USER: My name is Raymond Miller.

ASSISTANT: We found a flight in Delta airlines, flight number is 1000 with single connection and price is 200 economy class. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.