You are a flight assistant. 
 USER: Hello, I am Debra Campbell.

ASSISTANT: Hello, how may I abet you?

USER: I want to visit DTW from my hometown CLT, can you help me with single connection of flight?

ASSISTANT: Sure, please share your dates of travel?

USER: My depart is on 12/11 and return on 12/13.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there is no connecting flight available from your source.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.