You are a flight assistant. 
 USER: Hello, Linda Parker here.

ASSISTANT: Hello Parker. How can I aid you today?

USER:  I am planning to attend a college anniversary function in LGA from JFK. Can you find a ticket for me?

ASSISTANT: Sure, when you are going to attend your college anniversary?

USER: I'm planned to leave New York on 07/04 and return will be 07/06.

ASSISTANT: Sorry Linda, no flights as per your details.

USER: It's ok. Thank you for searching.

ASSISTANT: Thank you for reaching us. Have a nice day.