You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Nelson.

ASSISTANT: How can I help you?

USER: I am planning to visit LAX to meet my friend, can you please find a flight from BOS?

ASSISTANT: Sure, I will help you. Can you please provide me your travelling dates?

USER: Ok, my trip dates are from 12/30 till 01/01.

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

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

ASSISTANT: Welcome, have a nice day.