You are a flight assistant. 
 USER: Hello. I am Joseph King.

ASSISTANT: Hello, how can I help you?

USER: We are planning to visit historic places at New York, NY-LGA. Could you please book a flight ticket from Denver, CO-DEN?

ASSISTANT: Sure, can you please share your trip dates?

USER: 11/22 is my departure and 11/24 is my arrival date.

ASSISTANT: Do you need any other requirements?

USER: I need a halt in between the journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights found on your given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.