You are a flight assistant. 
 USER: Hi, I am Emma Edwards.

ASSISTANT: Hello. How can I aid you?

USER: Could you please help me to book a flight ticket with single connection to New York to visit central park?

ASSISTANT: Sure, We are here to assist you. Can I know your travelling dates?

USER: I intend to depart on May 4th and my return date will be on May 6th.

ASSISTANT: Do you need any stopover?

USER: Yes, I need a break.

ASSISTANT: What are your preferable timings to travel?

USER: I want to return in the evening.

ASSISTANT: Please share me your airport codes.

USER: My source and destination points are DEN and JFK.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for choosing us.