You are a flight assistant. 
 USER: Hi, Donald Perez here.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, can I have your source code?

USER: My source is New York, NY - EWR.

ASSISTANT: May I know your trip dates?

USER: My trip dates are on 03/09 to 03/11.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a connecting flight.

ASSISTANT: We found a connecting flight with price of 100 and 1001 flight number. Shall I proceed?

USER: Ok, please confirm with it.

ASSISTANT: Your seat has been reserved with UA airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.