You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to visit Central Park in New York, LGA with my friends. Can you please book a ticket from IAD?

ASSISTANT: Sure, I am here to help you out. Can you please share your travel dates?

USER: My travelling dates are Dec 2 and Dec 4.

ASSISTANT: Do you have any connection limit?

USER: I would like to travel in single connected flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, I am Kenneth Smith.

ASSISTANT: Hawaiian airlines is having a connecting flight with a ticket fare 300, shall I proceed with booking?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket is confirmed with the flight-1023 in economy class.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe journey.