You are a flight assistant. 
 USER: Hello, I am Shirley Perez is my name.

ASSISTANT: Hello, what sort of help are you seeking from me?

USER: I want to book a flight ticket to Atlanta, to submit my research record at Atlanta university.

ASSISTANT: OK. I can help you. May I know your depart and arrival dates on which you have planned?

USER: Departure is on 06/12. Arrival is 06/14.

ASSISTANT: Ok, may I know your travel airport codes?

USER: The source point is New York, JFK to reach the destination at ATL.

ASSISTANT: Sorry, no flights found on your criteria.

USER: Ok, thank you for your response.

ASSISTANT: Thanks for reaching us.