You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Evans.

ASSISTANT: How may I help you at this moment?

USER: I am planning to visit New York, can you please book me a ticket from DFW to LGA?

ASSISTANT: Sure, I am here to help you with that. Can I have your travelling dates?

USER: I am planning my journey on the dates of Nov 25 and Nov 27.

ASSISTANT: Do you have any other specifications?

USER: I prefer direct flight for this journey.

ASSISTANT: Do you have any other requirements?

USER: Please ensure that depart flight is in the afternoon time.

ASSISTANT: Sorry to say that, there are no flight's available based  on your connection limit.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for reaching us.