You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend my nephew birthday in JFK, can you please help me in booking a flight ticket from LAS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I want to fly on Oct 14 and return on Oct 16.

ASSISTANT: Do you have any airline preference?

USER: I would like to prefer normal cost airline.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a single connection.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your good name please?

USER: Myself Catherine Collins. Make sure that, I would like to depart in the morning time.

ASSISTANT: There is a flight available in this route on your requested from Delta airlines with a connecting flight in economy class.Shall I confirm your booking?

USER: You can proceed to booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: You are welcome.