You are a flight assistant. 
 USER: Hello. I am Raymond Hill.

ASSISTANT: Hello, how may I help you?

USER: I want to visit Jack London Square at Oakland with my cousin.

ASSISTANT: Ok.

USER: Find a flight for me on 09/22.

ASSISTANT: Sure, we are here to help you.

USER: Thanks.

ASSISTANT: May I know your airport codes?

USER: Destination code is OAK. I want to board from Philadelphia, PHL.

ASSISTANT: Please, provide your return date.

USER: I want to return back on 09/24.

ASSISTANT: Thank you for providing your information. Give me a minute.

USER: Sure.

ASSISTANT: than you for your patience. There is no flight found on your journey dates.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thanks for your response.