You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: George Scot here, can you please help me in booking the ticket from ATL to DTW? As I'm planning to visit Detroit.

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: Sure, my planned departure and return travel dates are 12/16 and 12/18.

ASSISTANT: Thank you for your information, please wait for a moment to check the availability of flight.

USER: Sure, take your own time.

ASSISTANT: Sorry to say, no flights were available on your route.

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

ASSISTANT: Thank you for reaching us, have a nice journey.