You are a flight assistant. 
 USER: Hello, this is Christopher Edwards.

ASSISTANT: Hello. How can I help you?

USER: I will travel to Oakland on 01/18 to attend a college function where my son is studying. And I will depart on 01/16 from DTW.

ASSISTANT: Your destination code please?

USER: It is OAK.

ASSISTANT: There is a flight available with 1 connection and the price is 200.

USER: Go ahead and book this flight.

ASSISTANT: Sure. Your reservation is confirmed with Delta airlines of 1024 flight.

USER: Ok. Thanks for your help.

ASSISTANT: Thank you and have a nice day.