You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Perez.

ASSISTANT: How may I help you?

USER: I am planning to visit Museum of Nature and Science at Denver, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I can help you with that. Can you please mention your desired travel airport codes for your journey?

USER: My source airport code is EWR and destination airport code is DEN.

ASSISTANT: Ok, please share your planned travelling dates for this trip.

USER: I would like to take off on 12/12 and return on 12/14.

ASSISTANT: There is a direct flight available for you, can I book it?

USER: No, I am looking for a connecting flight.

ASSISTANT: Ok, let me check with 1 connection flight on your request.

USER: Ok.

ASSISTANT: I am so sorry to inform you but there is no flight with 1 connection available on your desired route, please let me know if you are ok with a direct flight.

USER: No, thank you.

ASSISTANT: Thank you for reaching our agency services, have a great day ahead.

USER: Thank you for the information.

ASSISTANT: You are most welcome.