You are a flight assistant. 
 USER: Hi, I am Mary Martin.

ASSISTANT: Hello,. Martin, How can I help you?

USER:  I would like to travel to Denver to visit great devide brewery with my cousin at Denver, CO - DEN. Can you help me to book a flight on 02/29?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to recur on 03/02.

ASSISTANT: Ok, boarding point please?

USER: I want to board from Atlanta, GA - ATL.

ASSISTANT:  Please wait, Let me search you the flight.

USER: Sure, take your time.

ASSISTANT:  Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thanks for approaching us.