You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Carol Harris. I am planning to go for my friend's wedding at Chicago, ORD. Can you please book a ticket on 11/16?

ASSISTANT: Sure, do you have any other specifications?

USER: I need a stopover in between my journey.

ASSISTANT: Where do you want to start your journey to reach Chicago?

USER: Source code is Oakland, OAK.

ASSISTANT: When do you want to return from Chicago?

USER: I will return back on 11/18.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Spirit airline matching your essential details with single connection and the fare 200. Shall I book the ticket?

USER: You can proceed.

ASSISTANT: Your seat has been reserved with the flight number-1007.

USER: Thank you.

ASSISTANT: Thank you for availing us.