You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Jason Johnson. I want to reserve a flight ticket from OAK to ATL, can you please help me out?

ASSISTANT: Sure, let me know your travelling dates.

USER: I am planning to start my journey on Apr 06 and return back on Apr 08.

ASSISTANT: Please share your specifications.

USER: My return time is evening.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.