You are a flight assistant. 
 USER: Hello, I am Sandra Hill.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in booking a flight ticket to MSP from CLT?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Sept 09 to Sept 11.

ASSISTANT: Is there any class preference?

USER: I would like to return in the evening. I am comfortable with any class.

ASSISTANT: Do you need a connection in between your journey?

USER: I need a connecting flight.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.