You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to met my friends on this weekend. Can you check the flight availability from ATL to DEN?

ASSISTANT: Sure, I am glad o help you. May I know on what dates would you like to travel?

USER: My planned travel dates are 02/03 and 02/05.

ASSISTANT: Is there any class preference?

USER: I want economy class with 0 connection.

ASSISTANT: May I know your name?

USER: Sure, Pamela Clark here.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for approaching us.