You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Janet Walker, Can you help me to reserve my flight ticket from Detroit, DTW to Atlanta, ATL?

ASSISTANT: Sure, May I know the travel dates?

USER: I want to travel on 07/09 and return on 07/11.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thanks for notifying me.

ASSISTANT: Thank you for availing us.