You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to visit Oakland in this week so can you please help me in flight ticket booking process from JFK to OAK?

ASSISTANT: Sure, please share your planned trip dates?

USER: Thank you for your response, I want to take off on Sept 19 and book my return ticket also on Sept 21.

ASSISTANT: Do you have any connection limit?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Let me know your class preference?

USER: I don't have any another preferences.

ASSISTANT: May I know your name?

USER: Sure, my name is Frank Edwards.

ASSISTANT: Ok, we found connecting flight 1013 in Southwest Airlines with fare of 100. Shall I proceed with economy class?

USER: That's fine, please confirm this flight ticket for me.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.