You are a flight assistant. 
 USER: Hello, myself Kevin Turner.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight ticket to LAX from PHL, can you please help me out?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my trip dates are 08/15 and 08/17.

ASSISTANT: Sorry Kevin, there is no flights available.

USER: It's ok, thank you for the information.

ASSISTANT: Most welcome.