You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Debra Phillips.

ASSISTANT: How may I help you?

USER: I am looking for a direct flight from CLT to DTW. Can you please help me in booking a ticket?

ASSISTANT: Sure, please provide your journey dates.

USER: My preferred trip dates are 10/31 and 11/02.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Debra, no flights has been found on your route.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for approaching us.