You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: I am Jerry Brown, can you make my reservation from ATL to IAD?

ASSISTANT: Sure, can you please tell me the travelling dates of your journey?

USER: My trip dates are from 09/06 to 09/08.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

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

USER: It's ok, thank you for your time.

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