You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Taylor. I want to attend my sister's wedding anniversary in New York, can you please help me in booking a flight ticket?

ASSISTANT: I will help you to book a flight. Can you please share me your travelling dates?

USER: My planning dates are from 11/17 till 11/19.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My airport codes are from LAS to LGA.

ASSISTANT: Give me a moment.

USER: I need a connecting flight to reach my destination.

ASSISTANT: Sorry, there is no flight is found on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.