You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Cynthia Lee here.

ASSISTANT: Cynthia Lee, how may I render you?

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

ASSISTANT: Sure, please share your itinerary dates.

USER: Sure, my travel dates are from June 24 to June 26.

ASSISTANT: May I know your travel timings?

USER: I would like to return in afternoon.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please wait for a while, let me check for a best flight on your route.

USER: Sure.

ASSISTANT: Sorry, no flights are available in the afternoon.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.