You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me in booking a flight ticket from OAK to LGA?

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

USER: Sure, my travel dates are from Dec 31 to Jan 02.

ASSISTANT: Do you prefer any stopover in between journey?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Which class would you like to travel?

USER: I am ok with any class.

ASSISTANT: May I know your name please?

USER: Myself Elizabeth Martin.

ASSISTANT: Is there any more specifications in your journey?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a connecting flight with Delta airlines, flight number 1012, price is 100 in economy class. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.