You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I planned to attend for a meeting in LAX, can you please help me to book a flight ticket from LGA?

ASSISTANT: Sure, let me know your travel dates?

USER: I prefer to travel on Sep 9 and Sep 11.

ASSISTANT: Any preferences you have?

USER: I would like to depart in afternoon.

ASSISTANT: Ok, can you mention your name to proceed further?

USER: I am Laura Gonzalez.

ASSISTANT: Sorry, no flights found as per your request.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.