You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Stephanie Jones. I want to book a flight ticket from ATL to SEA. Could you help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from 12/04 to 12/06.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: We found a economy flight on your details with airline Southwest, flight number: 1000. Shall I book this ticket?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.