You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit historical places in LGA, could you book a ticket from OAK?

ASSISTANT: Sure, please tell your name for further proceedings.

USER: My travel dates are 08/31 and 09/02. Kenneth Parker here.

ASSISTANT: Kenneth, there are no flights available with the details you provided.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for assisting me.