You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

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

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are Aug 13 and Aug 15.

ASSISTANT: Ok, could I have your name please?

USER: My name is Karen Walker.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I don't have any other specifications.

ASSISTANT: We found Spirit airline with economy class and flight number is 1016 with arrival time is 10:00 hours and depart time is 7:00 hours.Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a great day.