You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself James White.

ASSISTANT: How may I assist you?

USER: I am looking for a flight from LAX to SFO, can you please help me in booking the flight ticket?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, my planned travel dates are 04/22 and 04/24.

ASSISTANT: James White, there are no flights available in your route.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for approaching us.