You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me in booking from MSP to DFW, as there is a musical concert to participate?

ASSISTANT: Sure, let me know your travelling dates.

USER: My journey dates are Jun 22 to Jun 24.

ASSISTANT: Please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have class preference?

USER: I prefer a business class.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Margaret Hernandez.

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

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.