You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me with booking a flight ticket from DFW to MSP?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are from Mar 30 to Apr 01.

ASSISTANT: Do you prefer class?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you prefer any specific timings?

USER: I want to return in afternoon.

ASSISTANT: May I know your name?

USER: Sure, James Johnson here.

ASSISTANT: Sorry, no flight found in that route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.