You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service you are expecting from us?

USER: Can you please book a flight ticket from DTW to CLT? As I have to go Charlotte to meet my friend over there.

ASSISTANT: Ok, I am happy to help you with that. Could you send me your travelling dates?

USER: Thank you. I have planned my travel dates as Jan 22 and Jan 24.

ASSISTANT: May I know your depart and return timings?

USER: I am ok to travel in any timings so you can proceed with available timings.

ASSISTANT: Can I know your name for the ticket booking purpose?

USER: Sure, myself Anna Edwards.

ASSISTANT: May I know your connection limit?

USER: I am looking for direct flight so please make sure that.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there is no flight available based on your journey details.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.