You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donald Gonzalez here.

ASSISTANT: How can I assist you?

USER: I want to travel from ATL to EWR for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are from 08/26 to 08/28.

ASSISTANT: Sorry, no flights found on your route.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.