You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to booking agency.

USER: Carol Moore here.

ASSISTANT: How can I assist you Moore?

USER: I would like to visit Denver Museum of Nature and Science, as a part of my project work. Can you please help me for booking the flight ticket on 02/24?

ASSISTANT: Sure, we are glad to help in your booking. Please help me in providing your airport codes.

USER: My airport codes are from NY-LGA to CO-DEN.

ASSISTANT: When would you like to return from DEN?

USER: My return date is 12/26.

ASSISTANT: Can you please confirm your exact return date?

USER: My return date is 02/26.

ASSISTANT: Give me a moment to find the flight on your dates.

USER: Ok, make sure my connections limit is 1.

ASSISTANT: There is a direct flight available in Hawaiian airlines, can I confirm your ticket booking?

USER: Please don't book the ticket. Thank you for the information.

ASSISTANT: Sorry for the inconvenience caused, no flights are available with a connecting flight. Thank you for your valuable time in reaching us, have a great day.

USER: Have a great day.

ASSISTANT: Thank you.