You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Elizabeth White.

ASSISTANT: How may I help you?

USER: I have a team dinner at Denver. Can you help me in booking a ticket from ATL to DEN?

ASSISTANT: Sure, can I have your journey dates please?

USER: My planned journey dates are 05/02 and 05/04.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in Spirit airlines with price 200. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed with flight number 1023.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.