You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: My name is Scott Scott. I just need your help in booking a plane ticket from IAD to ATL.

ASSISTANT: Ok. Sure, can you please mention the travelling dates of your journey?

USER: Sure, my trip dates are from 12/29 to 12/31. I need 1 connected flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

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

USER: That's ok, thank you for the information.

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