You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I love enjoying the natural beauty of Grand Canyon at Las Vegas. Could you please help me in finding a ticket?

ASSISTANT: Sure, I'm glad to help you. May I know when are you planning your journey?

USER: I would like to start my journey on 10/13 and return on 10/15.

ASSISTANT: Ok, please provide me your source and destination airport codes for better search.

USER: My origin and destination airport codes are ATL and LAS.

ASSISTANT: May I know your name please to proceed further?

USER: My name is Sharon Wilson.

ASSISTANT: Sharon, there is a flight available with price 200 in Hawaiian airlines. Shall I book the ticket?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1008 for your reference.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.