You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am Donald Garcia. I want to meet my grand parents at Chicago, IL-ORD and spend time with them. Could you please help me with booking a flight ticket from Oakland, CA-OAK?

ASSISTANT: Sure, please provide your journey dates.

USER: Sure, I want to start my journey on 08/26 and end my journey on 08/28.

ASSISTANT: Ok, Do you prefer a direct flight or a connected flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight in Delta airline with two connections. Are you comfortable with this?

USER: No problem, I need a connecting flight, but I will try with couple of connections. please proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you, Have a safe journey and the flight number is 1006.