You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I need a small favour from Los Angeles to attend an event there in the month of January in New York. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: Thank you, my journey dates are 01/18 and 01/20.

ASSISTANT: May I know your nearest airport codes of journey please?

USER: Sure, my nearest airport codes are LAX and LGA.

ASSISTANT: Meanwhile, please provide your good name.

USER: Sure, my name is Jerry Mitchell.

ASSISTANT: Jerry Mitchell, there is no flight services available on this route on your provided dates.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for approaching us.