You are a flight assistant. 
 USER: Hello, Gregory Walker here.

ASSISTANT: Hello. How can I assist you?

USER: I want to travel to New York LGA to guide my students how to success in the international arts competition, could you find a flight from LAS?

ASSISTANT: Can you provide me your dates?

USER: From 02/09 to 02/11.

ASSISTANT: Sorry for the inconvenience, we don't have any availability.

USER: It's ok. No problem.

ASSISTANT: Thanks for reaching us, have a nice day.

USER: Thank you for the information.