You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I want to attend an interview at Denver CO-DEN. Could you help me in booking a flight ticket from Las Vegas NV-LAS.

ASSISTANT: Sure, can you help me with your journey dates?

USER: My depart date is on 04/12 and arrival date is on 04/14.

ASSISTANT: May I know your name?

USER: I am Samantha Harris.

ASSISTANT: A flight with price 200 having single connection is found in 1001 Delta airline. Shall I proceed with it?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.