You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a ticket from JFK to LAS, can you help me?

ASSISTANT: Sure, may I know when you are willing to travel?

USER: My travel dates are Feb 21 and 23.

ASSISTANT: Can you please share me your name?

USER: I am Gary Taylor.

ASSISTANT: Do you have any other requirements?

USER: I prefer a connecting flight.

ASSISTANT: We found a flight with an airline Frontier of flight 1021 in an economy class with lay by. Can I confirm your booking?

USER: You can book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you.