You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you out please?

USER: Melissa Hill here. I am planning to visit central park in New York, can you book a flight ticket from DEN to EWR?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: My travelling dates are from 07/05 to 07/07.

ASSISTANT: Please wait a moment. Let me check with your intent in our reservation portal.

USER: Ok, take your time.

ASSISTANT: I found a flight with 1 lay-by and airfare is 200 in Delta airlines, can I proceed with it?

USER: Sure, proceed booking with that flight.

ASSISTANT: Your ticket has been booked with 1005 flight. Have a safe flight.

USER: Thank you for guiding me.

ASSISTANT: Thank you for opting our services.