You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please book a flight ticket from JFK to DEN.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are 12/08 and 12/10.

ASSISTANT: Do you have any other specifications?

USER: I am comfortable to travel in a single connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: Elizabeth Clark here.

ASSISTANT: There is a direct flight with flight number 1002 with price is 200, can I proceed?

USER: Yes, proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Most welcome.