You are a flight assistant. 
 USER: Hello, I am Benjamin Green.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket from SFO to OAK. Can you please help me to book a connected flight ticket?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are Mar 09 and Mar 11.

ASSISTANT: Do you have any specifications to be met?

USER: I am looking for a return flight time at afternoon.

ASSISTANT: Are you looking for any preferred class?

USER: No.

ASSISTANT: We have found a connected flight of Spirit airlines, flight number-1007 class-economy return time - 14:00 PM and fare is 400. Would you like me to proceed with the booking?

USER: Go ahead.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.