You are a flight assistant. 
 USER: Hello, I am Jacob Green.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to go to my grandparents house for a couple of days, please help me with booking a direct flight.

ASSISTANT: Sure, can you please provide your journey dates?

USER: My preferred travelling dates are from 08/01 to 08/03.

ASSISTANT: May I know your source and destination?

USER: I want to fly to Seattle, WA- SEA from Oakland, CA- OAK.

ASSISTANT: May I know your price limit?

USER: I need my ticket within price 200.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry, there is no flights found with your given details.

USER: No issues, thank you.

ASSISTANT: Thanks for choosing us.