You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to meet my colleague in New York, so please book a flight ticket from OAK to JFK.

ASSISTANT: Sure, let me know your planned journey dates?

USER: I want to fly on Sept 09, return on Sept 11.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Stephanie Carter.

ASSISTANT: We found a connecting flight 1003 in Frontier airline with fare 100 and class is economy. Shall I proceed with booking?

USER: Ok, proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.