You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be your helping hand today?

USER: Please book me flight ticket to Las Vegas to meet my granny, can you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I will travel on 01/29 and 01/31.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My starting point is JFK and my landing point is LAS.

ASSISTANT: May I know your name please?

USER: I am Robert Parker.

ASSISTANT: OK, please hold on.

USER: Sure.

ASSISTANT: Thanks for waiting. We found 1011 flight an Spirit airline with single connection of flight. Shall I proceed to book?

USER: Please go ahead.

ASSISTANT: Your ticket has been confirmed with fare of 200.

USER: Thank you.

ASSISTANT: Thank you for reaching us.