You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Lopez.

ASSISTANT: How can I help you?

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

ASSISTANT: Please share your travel dates.

USER: My preferable journey dates are from 08/11 to 08/13.

ASSISTANT: Please wait.

USER: Sure, please find 1 connection limit flight on this route.

ASSISTANT: Sorry Lopez, no flight is available on your route.

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

ASSISTANT: Thank you for choosing us.