You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Ryan Carter.

ASSISTANT: How can I aid you today?

USER: Can you please hold me a flight ticket from Washington, DC - IAD to reach Atlanta, GA - ATL?

ASSISTANT: Sure, on which dates you prefer to travel?

USER: My trip dates are 10/14 - 10/16.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a single connection.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there were no flights found with your given criteria.

USER: Ok, thank you for your information.

ASSISTANT: Thanks for opting us.