You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Los Angeles, so please help me to book a flight ticket from EWR. Can you help me?

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are 07/01 and 07/03. I want to travel to LAX.

ASSISTANT: May I know your name?

USER: My name is Jerry Lopez.

ASSISTANT: Sorry Jerry, I did not find any flight basing on your details.

USER: It's ok, thank you for searching.

ASSISTANT: You are welcome.