You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Donald Lopez. I have a plan to visit Central park in New York, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: Sure, I would like to start my journey on 05/23 and my return will be on 05/25.

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are from DEN to EWR.

ASSISTANT: Here, I found a flight for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1021 and airline is AA.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.