You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Jackson.

ASSISTANT: How may I assist you?

USER: I am looking for a flight on the route IAD to EWR, can you please find that any airlines providing service on this route?

ASSISTANT: Sure, may I know your journey dates please?

USER: I will start my journey on 03/10 and  my return will be on 03/12.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Jackson, no flights has been found on your journey dates.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for reaching us.