You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to attend a meeting at New York, please help me in booking a ticket from DEN to LGA.

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are on Mar 6 and Mar 8.

ASSISTANT: Do you have any other specifications?

USER: I need a flight with single connection.

ASSISTANT: Can I know your class preference?

USER: Any class is comfortable for me.

ASSISTANT: There is a flight of Spirit airline, flight number 1003 with the fare of 200.

USER: Ok, please proceed for booking.

ASSISTANT: May I know your name?

USER: My name is Laura Campbell.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.