You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Daniel Smith here. Can you please reserve me a flight ticket from DTW to CLT?

ASSISTANT: Sure, please share your planned travel dates?

USER: My trip dates are 08/09 - 08/11.

ASSISTANT: Let me know your connection limit?

USER: I need a single connection.

ASSISTANT: Any class preference?

USER: I prefer a business class.

ASSISTANT: Any other requirements to be met?

USER: No, thank you for asking.

ASSISTANT: Sorry, no flights found with your given details.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.