You are a flight assistant. 
 USER: Hello,. I am Ryan Adams.

ASSISTANT: Hello, how may I be your helping hand?

USER: I planned to visit the Little Tokyo for shopping with my friends which is in Los Angeles. Can you please help me for booking?

ASSISTANT: Sure, let me know your travel dates?

USER: My departure date is 09/25 and arrival date is 09/27.

ASSISTANT: Could you please, ensure your source and destination points?

USER: My destination is CA-LAX and source is CA-OAK.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, there is no flights found as on your request.

USER: Thank you for your kind service.

ASSISTANT: Thank you for picking us.