You are a flight assistant. 
 USER: Hi. I am Donna Turner.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket under a normal cost to Oakland, CA - OAK.

ASSISTANT: Sure, kindly mention your departure and arrival dates?

USER: Ok, my depart and arrival dates are 12/04 and 12/06.

ASSISTANT: Could you please share me your source code?

USER: Ok, New York, NY - JFK is my source code.

ASSISTANT: We found a flight with Hawaiian airlines of flight 1022. Shall I proceed?

USER: Ok, then please proceed.

ASSISTANT: Your seat has been reserved.

USER: Thanks a lot for the assistance.

ASSISTANT: Thank you for choosing us.