You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Oakland to meet my friend, can you please help me in booking a flight from BOS to OAK?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: When would you like me to book your flight ticket?

USER: I would like to start my journey on Sept 20 and return back on Sept 22.

ASSISTANT: Can I have your good name?

USER: Sure, my name is Patrick Martin.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a break in between my journey.

ASSISTANT: Please, hold on a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with fare 100 and single connection in Spirit airline. Shall I confirm it?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1006.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.