You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Kevin Phillips. I want to make a reservation to Atlanta, to submit my research work. Can you help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: On 08/18, I want to start and return on 08/20.

ASSISTANT: Do you have any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Where would you like to move from?

USER: My boarding point is Denver, CO - DEN, Landing point is GA - ATL.

ASSISTANT: There is no flight on your details.

USER: Ok, not a problem. Thanks for the information.

ASSISTANT: Thank you.