You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now for today?

USER: Virginia Jones here.

ASSISTANT: Ok.

USER: I want to travel from IAD to DTW for attending a Agricultural meeting. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am happy to help you. Can you please mention the preferable dates of your journey?

USER: My departure date is 03/03 and return date is 03/05.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry Virginia, there are no flights found on your requested dates.

USER: Thank you for the information.

ASSISTANT: Thank you for approaching us, have a nice day.