You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please book a flight ticket from DTW to OAK to meet my cousin.

ASSISTANT: Sure, Do you need any break in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, can you please mention your departure and arrival dates of your journey?

USER: I will depart on March 7 and return on 9 on the same month.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok,  Do you have any particular time for departing and returning?

USER: My depart time is afternoon.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any flights with your given details.

USER: Ok, thanks for your service.

ASSISTANT: Ok, May I know your name?

USER: Sure, my name is Kenneth Brown.

ASSISTANT: Ok, Thank you.