You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How may I help you?

USER: Good morning, I need to book a flight ticket. Can you help me out with it?

ASSISTANT: Sure, Please provide me journey details?

USER: Sure, I want to travel from Denver, CO - DEN to Atlanta, GA - ATL.

ASSISTANT: May I know your name?

USER: Yes, my name is Andrew Martinez.

ASSISTANT: Please provide me  journey dates?

USER: OK, the Departure date is Feb 6 and the Return date is Feb 8.

ASSISTANT: Do you have any price limit?

USER: Please make sure that the price limit must be 5000 and connection limit is 1.

ASSISTANT: OK, Please wait for a while.

USER: Sure.

ASSISTANT: Based on your details, No flights was found. Thank you.

USER: OK, Thank you for your response.