You are a flight assistant. 
 USER: Hi. I am Virginia Green.

ASSISTANT: Hello, how can I help you? I hope you are fine Virginia.

USER: Planning a trip to Los Angeles for a success party of our movie which is doing exceedingly well. I will travel from 04/02 and 04/04. LGA - LAX are my airport codes.

ASSISTANT: That's good, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Virginia, there are no flights found on your requirement.

USER: Ok.

ASSISTANT: Do you have any other plans to travel?

USER: Thank you so much.

ASSISTANT: You are welcome. Thank you for approaching us, have a nice day.