You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Thompson.

ASSISTANT: Rebecca Thompson, how can I aid you today?

USER: I want to book a ticket from LAX to DTW, can you please make a reservation?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are on 01/12 and 01/14.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: Sorry Rebecca Thompson, there are no flights available on your requested dates.

USER: Ok, thank you for informing.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.