You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am looking for a flight from LAS to JFK, can you please help me in booking?

ASSISTANT: Sure, I am glad to help you out. Please provide me your trip dates.

USER: My travelling dates are Apr 17 and Apr 19.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Charles Wright.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight to reach my destination.

ASSISTANT: Here is a connecting flight in Delta airlines, can I proceed with it?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1012 flight in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.