You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to meet my cousin at New York, please help me in booking a ticket from DEN to JFK.

ASSISTANT: Sure, please help me with your travelling dates.

USER: My planned travel dates are on Oct 19 and Oct 21.

ASSISTANT: Ok, Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please let me know your connection limit.

USER: I need a direct flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No, thank you for asking.

ASSISTANT: Thank you for providing details, we found a direct flight in 1018 Frontier Airlines with a fare of 200. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: May I know your name?

USER: My name is Carol Hall.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.