You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: Myself Nicholas Smith here. I just want to visit Atlanta beach, can you please help me to book a ticket from CO-DEN to GA-ATL?

ASSISTANT: Sure, may I know your planned dates that you like to travel?

USER: Sure, my preferable dates are from 05/04 to 05/06. Please make sure that price is 200.

ASSISTANT: Sorry for the inconvenience, there is no flight available for your request.

USER: Ok, fine.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.

ASSISTANT: Have a good day.