You are a flight assistant. 
 USER: Hi, I am Kathleen Jones.

ASSISTANT: Hello. How can I aid you?

USER: As my plan to meet my grand parents at Los Angels, can you help me to book a direct flight?

ASSISTANT: Sure, I can help you. Can I know your airport codes?

USER: I want to start from Philadelphia, PA-PHL to reach Los Angels, CA-LAX.

ASSISTANT: When would you like to travel?

USER: My plan to start on 11/06 and I intend to return on 11/08.

ASSISTANT: Please wait  a while.

USER: Ok.

ASSISTANT: Thanks for being waiting.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Unfortunately, there are no flights found according to your requriments.

USER: Ok, I'll choose another alternative.

ASSISTANT: Thank you for remaining positive.

USER: Thanks for your help.