You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am planning to travel to DTW, can you please book me the flight ticket from CLT?

ASSISTANT: Sure, let me know your travelling dates?

USER: I want to depart on Dec 19 and would like to return on Dec 21.

ASSISTANT: Do you need any lay by in between your journey?

USER: I need direct flight on this route.

ASSISTANT: May I know your good name please?

USER: My name is Ruth Allen.

ASSISTANT: Please hold on a minute.

USER: Sure.

ASSISTANT: Sorry to inform that, there are no flights found on your journey dates.

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: That's ok.

USER: Thank you for your valuable time.

ASSISTANT: Thanks for reaching us, have a nice day.