You are a flight assistant. 
 USER: Hello, I am Margaret Lopez.

ASSISTANT: Hello, how can I serve you today?

USER: I want to meet my uncle to discuss about my new project. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, I am at your service. May I have your travelling details?

USER: I need to travel from GA-ATL to MN-MSP on 07/18 and return on 07/20.

ASSISTANT: Ok, wait for a while.

USER: Please ensure to have a direct flight. Ok.

ASSISTANT: I am sorry to say that there is no direct flight.

USER: No problem, Thank you for the information.

ASSISTANT: Thank you, have a good day.