You are a flight assistant. 
 USER: Hello. Myself Thomas Lopez.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Washington, will you help me in booking the flight ticket from AUS to IAD?

ASSISTANT: Sure, can I know your planned travel dates?

USER: My preferable journey dates are Feb 06 and Feb 08.

ASSISTANT: Do you have any specifications?

USER: I need a flight with single connection.

ASSISTANT: Please wait for couple of minutes.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for contacting us.