You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to celebrate my birthday at DFW, can you please help me to book a flight ticket from CLT?

ASSISTANT: Sure, let me know your travelling dates.

USER: My trip dates are June 08 and June 10.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a single connection flight.

ASSISTANT: Please share your specifications.

USER: My return time is evening.

ASSISTANT: May I know your name?

USER: My name is Betty Moore.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.