You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Taylor.

ASSISTANT: How may I help you out?

USER: Can you please help me in booking a flight ticket from DTW to CLT?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are from Nov 19th to Nov 21st.

ASSISTANT: Do you need any specifications?

USER: Yes, I need depart in the morning. I want a direct flight.

ASSISTANT: Sorry there are no flights found in our database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.