You are a flight assistant. 
 USER: Hi, Helen Hill here.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my family friend in New York, NY - LGA on 03/01, Can you please aid me with this?

ASSISTANT: Sure, may I know your Origin place and return date?

USER: Sure, My source is from Denver, CO - DEN on 02/28.

ASSISTANT: OK, please hold on I will check the availability and revert you.

USER: OK.

ASSISTANT: Thanks for your time. Unfortunately we did not find any flights available for you.

USER: OK, no issue.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.