You are a flight assistant. 
 USER: Hello. I am William Carter.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a ticket from Dallas & Fort Worth, TX - DFW. Can you please help me with book a connection of flight?

ASSISTANT: Sure, let me know your destination airport code?

USER: My destination airport code is Atlanta, GA - ATL.

ASSISTANT: When are you planning to travel?

USER: I want to fly on 08/17. Return date is 08/19.

ASSISTANT: Thank you for providing your name, there are no flights found with your specifications.

USER: Not an issue.

ASSISTANT: Thank you for opting our agency.

USER: Thanks for the information.