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

ASSISTANT: Hello, how may I help you today?

USER: I am planning to attend a religious fest at Oakland, help in booking my flight ticket from Detroit.

ASSISTANT: Sure, may I know your airport codes?

USER: My source point is MI-DTW, my landing point is CA-OAK.

ASSISTANT: Please provide me your travel dates.

USER: 04/24 is my starting point, my return date is 04/26. I need a direct flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found with your given details.

USER: Its ok, thank you for your response.

ASSISTANT: Thank you.