You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Emily Baker.

ASSISTANT: Baker, nice to meet you.

USER:  I need to fly to Las Vegas, NV- LAS in november month. Is there any chance for flight ticket booking from 09/08 to 09/10?

ASSISTANT: Could you please mention your source code?

USER: Sure, I want my source from NY- EWR.

ASSISTANT: Sorry Emily, there is no flight is available as per your details.

USER: It's ok, thank you for cooperation on this matter.

ASSISTANT: You are welcome always.