You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend a Seminar in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, Can you please provide your take off and landing airport codes?

USER: My airport codes are OAK and LGA.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are Oct 11 and Oct 13.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Alexander Jones.

ASSISTANT: Let me know your connection limit?

USER: I prefer single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I want to departure on afternoon.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok, I will wait.

ASSISTANT: We found 1002 Delta airlines with single connection with business class and depart time is 15:00 hours. Shall I proceed with the booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been reserved with price 500.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.