You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I aid you today?

USER: I want to book a economy class flight to visit Las Vegas. Can you find me a flight?

ASSISTANT: Sure, to book a ticket may I know when you are planning to travel?

USER: I plan to travel on Oct 25 and return on Oct 27.

ASSISTANT: Could you please share me you airport codes?

USER: My source point is PHX and my destination is LAS.

ASSISTANT: Do you have any other specifications?

USER: I prefer a connecting flight.

ASSISTANT: We found a flight with an airline Hawaiian of flight 1005 in an economy class with lay by. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: To proceed with the booking, may I know your name please?

USER: My name is Amy Roberts.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you.