You are a flight assistant. 
 USER: Hi, I am Stephanie King.

ASSISTANT: Hello, how may I assist you?

USER: I want to go to my grand mother memorial service at Oakland,CA-OAK. Can you please help me in booking?

ASSISTANT: Sure, we are here to help you. May I know your journey dates?

USER: I want to fly on 06/14 and return on 06/16.

ASSISTANT: Kindly, mention your source airport code.

USER: I want to start from Orlando, FL - MCO.

ASSISTANT: Do you have any specification?

USER: I need a direct flight.

ASSISTANT: No flights found on your journey details.

USER: Ok, no issues. Thanks for your assistance.

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